List of freshwater aquarium fish species

Source: Wikipedia, the free encyclopedia.

A vast number of

freshwater species have successfully adapted to live in aquariums
. This list gives some examples of the most common species found in home aquariums.

Catfish

Brochis, Callichthys, and Corydoras
Common name Scientific name Image Size Remarks Tank size Temperature range pH range
Agassiz's corydoras Corydoras agassizii 5 cm (2 in)
Brown-Point Shield Skin Aspidoras fuscoguttatus 3.8 cm

(1.5 in)

30 Gallons 22–25 °C (72–77 °F)[1] 5.5–6.8[1]
Aspidoras Cory-Cat Aspidoras lakoi 4 cm (1.6 in)[2] 28 Gallons 22–25 °C (72–77 °F)
Loach catfish Aspidoras rochai 4 cm (1.6 in) maximum length[3] 20 Gallons 21 – 25 degrees Celsius[3] 6.0-7.5[3]
Sixray corydoras, false corydoras
Aspidoras pauciradiatus
 2.9 cm (1.1 in)[4] 20 Gallons 73–82 °F (23–28 °C) 6.0-7.2[4]
Britski's catfish
Brochis britskii
 8.9 cm (3.5 in) 20–24 °C (68–75 °F) 6.5-7.2[5]
Emerald catfish
Brochis splendens
 10 cm (3.9 in) The Emerald Cory Catfish is a very hardy and resilient fish.  Disease should not be a concern provided that you maintain the aquarium to standards.[6] 20 Gallons 72 - 82 F (22 - 27.7 C)[6] 5.8-8.0[7]
Hognosed brochis
Brochis multiradiatus
 6.6 cm (2.6 in) 70-75 °F (21-24 °C) 6.0-7.2
Adolfo's catfish/corydoras
Corydoras adolfoi
 5.7 cm (2.2 in) 72–79 °F (22–26 °C) 6.0-7.0
Banded corydoras
Scleromystax barbatus
 10 cm (3.9 in) 68 °F (20 °C) to 82 °F (28 °C) 6.0–8.0
Masked corydoras, bandit corydoras
Corydoras metae
 4.8 cm (1.9 in) 72–79 °F (22–26 °C) 6.0-7.0
Barred-tail corydoras
Corydoras cochui
2.5 cm (0.98 in) 70-75 °F 6.0 - 7.0
Blackstripe corydoras
Corydoras bondi
 4.7 cm (1.9 in)
Blacktop corydoras
Corydoras acutus
 4.4 cm (1.7 in)
Blue corydoras
Corydoras nattereri
 5.4 cm (2.1 in)
Bluespotted corydoras
Corydoras melanistius
 5.1 cm (2.0 in)
Bronze corydoras, Emerald green cory
Corydoras aeneus
 6.35 cm (2.50 in) 77 to 82 °F (25 to 28 °C)
Caracha Corydoras atropersonatus 4.5 cm (1.8 in)
Ehrhardt's corydoras Corydoras ehrhardti 4.1 cm (1.6 in)
Evelyn's cory Corydoras evelynae 4 cm (1.6 in)
Corydoras geoffroy 7 cm (2.8 in)
Corydoras latus 5.2 cm (2.0 in)
Loxozonus cory Corydoras loxozonus 4.9 cm (1.9 in)
Corydoras nain Corydoras nanus 4.5 cm (1.8 in)
Long nosed arched cory Corydoras narcissus 6.5 cm (2.6 in)
Corydoras ornatus 4.9 cm (1.9 in)
Corydoras osteocarus 4 cm (1.6 in)
Corydoras polystictus 3.2 cm (1.3 in)
Scleromystax prionotos 5.3 cm (2.1 in)
Corydoras semiaquilus 6.0 cm (2.4 in)
Corydoras septentrionalis 4.9 cm (1.9 in)
Corydoras simulatus 4.9 cm (1.9 in)
Corydoras undulatus 4.4 cm (1.7 in)
Dwarf corydoras
Corydoras hastatus
 3.5 cm (1.4 in)
Elegant corydoras
Corydoras elegans
 5.1 cm (2.0 in)
False blochi catfish Corydoras delphax 5 cm (2 in)
False network catfish
Corydoras sodalis
 4.9 cm (1.9 in)
False spotted catfish
Corydoras leucomelas
 4.5 cm (1.8 in)
Banner-tail corydoras, flagtail corydoras Corydoras robineae 4.4 cm (1.7 in)
Gold laser cory
Corydoras melanotaenia
 5.8 cm (2.3 in)
Guapore corydoras
Corydoras guapore
 4.1 cm (1.6 in)
Horseman's cory Corydoras eques 5 cm (2 in)
Mosaic corydoras, reticulated corydoras Corydoras haraldschultzi 5.9 cm (2.3 in)[8]
Mosaic corydoras, reticulated corydoras Corydoras reticulatus 5.1–6.1 cm (2.0–2.4 in)
Panda corydoras Corydoras panda 3.8–5.1 cm (1.5–2.0 in) 6.0-8.0[9]
Pastaza corydoras
Corydoras pastazensis
 6.4–7.1 cm (2.5–2.8 in)
Peppered corydoras, salt and pepper catfish Corydoras paleatus 5.1–7.6 cm (2.0–3.0 in)
Pink corydoras
Corydoras axelrodi
 4–5 cm (1.5–2 in)
Pygmy corydoras
Corydoras pygmaeus
 2.5–3.3 cm (0.98–1.30 in) A very peaceful species, that does not make an ideal community fish due to its small adult size. It is easily intimidated by larger tank mates and will not compete well with them for food.[10] 42.4 L (11 gal)[10] 72 to 79 °F (22 to 26 °C)[10] 6.4 to 7.4[10]
Rust corydoras Corydoras rabauti 5 cm (2 in)
Sailfin corydoras
Scleromystax macropterus
 8.7 cm (3.4 in) 6.0 – 8.0
Salt and pepper catfish/corydoras
Corydoras habrosus
 2.5–3.6 cm (0.98–1.42 in)
Schwartz's catfish
Corydoras schwartzi
 3.8–5.1 cm (1.5–2.0 in)
Skunk corydoras Corydoras granti 5.5 cm (2.2 in)
Spotted corydoras, longnose corydoras
Corydoras ambiacus
 5.1–6.1 cm (2.0–2.4 in)
Sterba's corydoras
Corydoras sterbai
 6.8 cm (2.7 in)[11]
Sychr's catfish
Corydoras sychri
 4.3 cm

(1.7 in)

Tailspot corydoras
Corydoras caudimaculatus
 4–5 cm (1.5–2 in)
Threestripe corydoras, leopard catfish, false julii cory
Corydoras trilineatus
 6.1 cm (2.4 in)[12]
Xingu corydoras
Corydoras xinguensis
 3.8–5.1 cm (1.5–2.0 in)
Julii corydoras Corydoras julii 5.1–6.4 cm (2.0–2.5 in)
Flagtail catfish
Dianema urostriatum
 12.5 cm (4.9 in) 77–82 °F (25–28 °C) 6.0-8.0
Cascarudo Callichthys callichthys 20 cm (7.9 in) 64–83 °F (18–28 °C). 5.8-8.3
Spotted hoplo Megalechis thoracata 15 cm (5.9 in) 64–83 °F (18–28 °C). 6-8
Armored suckermouth catfish (plecos, oto, and whiptail)
Common name Scientific name Image Size Remarks Tank size Temperature range pH range
Bristlenose pleco, bushynose pleco Ancistrus sp. The bristlenose genus has at least 59 identified species and many others yet to be named.[13] Males and female both have long "bristles" on their nose, the males having distinctly longer ones. 72-84 F (20-27 C)
Adonis pleco, polka dot lyre-tail pleco Acanthicus adonis 100 cm (39 in) 77-86 F (25-30 C)
Ancistomus sp.
Gold nugget pleco Baryancistrus sp. 77-86 F (25-30 C)
Dekeyseria sp.
Hemiancistrus sp.
Zebra pleco Hypancistrus sp.
Hypostomus sp. 72-86 F (22-30 C)[14] 6.5-7.5[14]
Lasiancistrus sp.
Leporacanthicus sp.
Panaque Panaque sp.
Clown Pleco Panaqolus sp. 20 gal[15][16] 23.0-28.0 °C or 73.4-82.4 °F[17] 6.8 - 7.6[17]
Peckoltia sp.
Pseudacanthicus sp.
Pineapple pleco, orange cheek pleco
Pseudorinelepis genibarbis
 36 cm (14 in)
Sunshine pleco Scobinancistrus aureatus 25 cm (9.8 in)
Whiptail catfish Rineloricaria sp. It is a peaceful fish that is best kept in good sized groups (6+) in a mature tank with plenty of shady hiding spots amongst plants, driftwood, slate caves, and PVC pipes.[18] 75-82 F (24-28 C)[18] 6.0-7.2[18]
Twig catfish Farlowella sp.
Sturisomatichthys sp.
Hypoptopoma sp.
Golden dwarf sucker, golden oto Otocinclus macrospilus 3.5 cm (1.4 in)
Zebra dwarf sucker, zebra oto
Otocinclus cocama
 4.5 cm (1.8 in)
Long-whiskered catfish
Common name Scientific name Image Size Remarks Tank size Temperature range pH range
Bolt catfish Aguarunichthys torosus 35 cm (14 in)
Gold Zebra catfish Brachyplatystoma juruense 60 cm (24 in)
Zebra shovelnose Brachyplatystoma tigrinum 60 cm (24 in)
Vulture Catfish, zamurito Calophysus macropterus 40 cm (16 in)
Leiarius marmoratus 100 cm (39 in)
Leiarius pictus 60 cm (24 in)
Redtail catfish
Phractocephalus hemioliopterus
 120 cm (3.9 ft) Needs at least a 2,600 US gallons (9,800 L) tank when mature, even though this does not provide them with the space to show their natural behaviour.[19] 70–79 °F (21–26 °C)[19] 6.0–7.5[19]
Spotted pimelodus, pictus, pictus catfish Pimelodus pictus 30 cm (12 in)
Sturgeon catfish
Platystomatichthys sturio
 40 cm (1.3 ft)
Barred sorubim Pseudoplatystoma fasciatum 104 cm (3.41 ft)
Tiger sorubim Pseudoplatystoma tigrinum 130 cm (4.3 ft)
Firewood catfish, (planiceps) shovelnose catfish
Sorubimichthys planiceps
 178 cm (70 in)
Lima shovelnose catfish Sorubim lima 40 cm (1.3 ft)
Squeakers and upside-down catfish
Common name Scientific name Image Size Remarks Tank size Temperature range pH range
Brichard's syno Synodontis brichardi 15 cm (0.49 ft)
Cuckoo squeaker Synodontis multipunctatus 27.5 cm (10.8 in)
Decorated squeaker Synodontis decorus 31.8 cm

(12.5 in)

Even-Spotted squeaker Synodontis petricola 10 cm (3.9 in)
Featherfin squeaker
Synodontis eupterus
 30 cm

(11.8 in)

Lake Malawi syno
Synodontis njassae
 20 cm (0.66 ft)
Polka dot syno Synodontis angelicus 9 - 18 cm (3.5-7.1 in)
Pyjama syno
Synodontis flavitaeniata
 20 cm (0.66 ft)
Upside-down catfish Synodontis nigriventris 9.6 cm (3.8 in) S. nigriventris prefers bottom feeding on Tubifex (or similar worms), but its main diet consists of algae.[20] The blotched upside-down catfish is well suited to aquariums because of its small size (typically 9 or 10 cm or less) and peaceful demeanor.[citation needed] 72–82 °F (22–28 °C)[21] 6.0 - 7.5[21]
Yellow marbled syno, vermiculated syno Synodontis schoutedeni 20 cm (0.66 ft)
Other catfish
Common name Scientific name Image Size Remarks Tank size Temperature range pH range
Three-striped African catfish Pareutropius buffei 11.5 cm (4.5 in)
Giraffe catfish
Auchenoglanis occidentalis
 70 cm (28 in)
Electric catfish Malapterurus electricus 122 cm (48 in)
Eel catfish
Channallabes apus
 33 cm (13 in)
Black lancer catfish
Bagrichthys macracanthus
 25 cm (9.8 in)
Harlequin lancer catfish Bagroides melapterus 30 cm (12 in)
Crystal-eyed catfish Hemibagrus wyckii 71 cm (28 in)
Shadow catfish Hyalobagrus flavus 4.5 cm (1.8 in)
Mystus bimaculatus 6.5 cm (2.6 in)
Dwarf bumblebee catfish Pseudomystus leiacanthus 6 cm (2.4 in)
Pseudeutropius moolenburghae 10 cm (3.9 in)
Glass catfish Kryptopterus vitreolus 8 cm (3.1 in).
Striped glass catfish Kryptopterus macrocephalus 10 cm (3.9 in).
Striped wallago catfish
Wallago leerii
 150 cm (59 in).
Goonch Bagarius lica 200 cm (79 in)
Chocolate frogmouth catfish Chaca bankanensis 20 cm (7.9 in)
Asian banjo catfish Acrochordonichthys rugosus 11 cm (4.3 in)
Walking catfish
Clarias batrachus
 50 cm (19.5 in) The albino form is common in the aquarium trade. This fish can survive out of the water and "
walk" as long as kept wet, for a very long time.[22]
Black catfish, Narrowfront tandan Neosilurus ater 47 cm (19 in)
Stinging catfish Heteropneustes fossilis 30 cm (12 in)
Sun catfish Horabagrus brachysoma 45 cm (18 in)
Asian redtail catfish Hemibagrus wyckioides 130 cm (51 in)
Asian upside down catfish Mystus leucophasis 30 cm (12 in)
Asian bumblebee catfish Pseudomystus siamensis 15 cm (5.9 in)
Indawgyi stream catfish Akysis prashadi 6 cm (2.4 in)
Asian stone catfish Hara jerdoni 4 cm (1.6 in)
Iridescent shark
Pangasianodon hypophthalmus
 130 cm (51 in)
Chao Phraya giant shark, giant pangasius
Pangasius sanitwongsei
 300 cm (120 in)
Colombian shark catfish
Ariopsis seemanni
 35 cm (14 in)
Blue whale catfish Cetopsis coecutiens 27 cm (11 in)
Banjo catfish Bunocephalus coracoideus 14 cm (5.5 in)
Giant raphael catfish Megalodoras uranoscopus 60 cm (24 in)
Ripsaw catfish Oxydoras niger 90 cm (35 in)
Striped raphael catfish
Platydoras armatulus
 43 cm (17 in)
Spotted raphael catfish Agamyxis pectinifrons 15 cm (5.9 in)
Bottlenose catfish Ageneiosus inermis 18.5 cm (7.3 in)
Gulper catfish Asterophysus batrachus 25 cm (9.8 in)
Midnight catfish Auchenipterichthys coracoideus 10 cm (3.9 in)
Oil catfish Duringlanis perugiae 5 cm (2.0 in)
Jaguar catfish Liosomadoras oncinus 17 cm (6.7 in)
Tatia intermedia 12 cm (4.7 in)
Pygmy driftwood catfish Trachelyichthys exilis 8 cm (3.1 in)
Trachelyopterus fisheri 28 cm (11 in)

Characoids

Tetras
Common name Scientific name Image Size Remarks Tank size Temperature range pH range
Arowana tetra
Gnathocharax steindachneri
 5 cm (2.0 in)
Black phantom tetra
Hyphessobrycon megalopterus
 3.6 cm (1.4 in)[23] The black phantom tetra enjoy being in groups of 6 or more and a slightly shaded tank. Males may claim small territories and occasionally minor battles may occur. The Phantom tetra goes well with other tetras of similar size. They also prefer floating plants.[24]
Black neon tetra
Hyphessobrycon herbertaxelrodi
 3.2 cm (1.3 in)[25]
Black tetra, skirt tetra
Gymnocorymbus ternetzi
 5 cm (2.0 in) A highly spirited fish that may occasionally chase its own species as well as harass slow moving fish with long fins. This fish is very hardy and can stand a variety of water qualities. Disease is not a big problem with the black tetra. The black tetra is also known as the black skirt tetra. The female black tetra is more robust and larger than the male.[26]
Black morpho tetra Poecilocharax weitzmani 5 cm (2.0 in)
Bleeding heart tetra
Hyphessobrycon erythrostigma
 6.5 cm (2.6 in) The bleeding heart tetra is distinguished by the small red spot on both sides of the fish. This fish is very prone to diseases, and can grow larger than most tetra species.[27]
Bloodfin tetra
Aphyocharax anisitsi
 5 cm (2.0 in)
Blue tetra Knodus borki 5 cm (2.0 in)
Blueberry tetra Hyphessobrycon wadai 3.5 cm (1.4 in)
Brittanichthys axelrodi 3 cm (1.2 in)
Bucktooth tetra
Exodon paradoxus
 5 cm (2.0 in)
Buenos Aires tetra
Hyphessobrycon anisitsi
 7.5 cm (3.0 in)
Cardinal tetra
Paracheirodon axelrodi
 5 cm (2.0 in) Similar to the Neon Tetra, but slightly larger and doesn't prefer to school as much. They need much larger tanks, although their temperament is similar.[28]
Cave tetra, blind tetra
Astyanax mexicanus
 12 cm (4.7 in) The cave tetra is the blind cave form of the Mexican tetra. This tetra prefers low to moderate lighting.[29]
Cochu's blue tetra
Boehlkea fredcochui
 6 cm (2.4 in)
Colombian tetra Hyphessobrycon columbianus 6.5 cm (2.6 in)
Diamond tetra
Moenkhausia pittieri
 6 cm (2.4 in)
Dawn tetra
Aphyocharax paraguayensis
 3.5 cm (1.4 in)
Ember tetra
Hyphessobrycon amandae
 2 cm (0.79 in) Ember tetras have been known to live ten years or more. May become stressed by the presence of larger fish.[30] 50 liters (13 U.S. gal)[31] 24–28 °C (75–82 °F)[31] 5 - 7 pH[31]
Emperor tetra Nematobrycon palmeri 5 cm (2.0 in)
Flame tetra
Hyphessobrycon flammeus
 2.5 cm (0.98 in)
Flame-back Bleeding heart tetra Hyphessobrycon pyrrhonotus 4.5 cm (1.8 in)
Garnet tetra, pretty tetra Hemigrammus pulcher 6.5 cm (2.6 in)
Glass bloodfin tetra
Prionobrama filigera
 6 cm (2.4 in)
Glowlight tetra Hemigrammus erythrozonus 3.75 cm (1.48 in)
Golden pristella tetra Pristella maxillaris 5 cm (2.0 in)
Green neon tetra
Paracheirodon simulans
 2.5 cm (0.98 in) Similar to Neon Tetras and Cardinal Tetras, they are the same to Neon Tetras beside having a green tiny near their top dorsal fin[32]
Head and tail light tetra
Hemigrammus ocellifer
 4 cm (1.6 in)
Hummingbird tetra
Trochilocharax ornatus
 2 cm (0.79 in)
January tetra
Hemigrammus hyanuary
 4 cm (1.6 in)
Lemon tetra
Hyphessobrycon pulchripinnis
 5 cm (2.0 in)
Neon tetra
Paracheirodon innesi
 3.75 cm (1.48 in) Neon tetras must be kept in groups of at least a half-dozen, as they are a shoaling species. With peaceful dispositions, they are also able to be kept with other species of non-aggressive fish.[33] 38 L (10 gal)[33] 68 to 79 F (20 to 26 C)[33] 6.0–7.0[34]
Ornate tetra Hyphessobrycon bentosi 4.5 cm (1.8 in)
Penguin tetra, blackline penguinfish Thayeria boehlkei 6.5 cm (2.6 in)
Peruvian tetra Hyphessobrycon peruvianus 4 cm (1.6 in)
Rainbow tetra Nematobrycon lacortei 4 cm (1.6 in)
Red and Blue Peru tetra Hyphessobrycon margitae 4 cm (1.6 in)
Red eye tetra
Moenkhausia sanctaefilomenae
 4 cm (1.6 in)
Red-line lizard tetra Iguanodectes geisleri 5.5 cm (2.2 in)
Red phantom tetra Hyphessobrycon sweglesi 4.5 cm (1.8 in)
Redflank bloodfin Aphyocharax rathbuni 4.5 cm (1.8 in)
Rosy tetra
Hyphessobrycon rosaceus
 4 cm (1.6 in)
Royal tetra
Inpaichthys kerri
 3.5 cm (1.4 in) Possesses an adipose fin allowing it to be differentiated from the Emperor tetra [35]
Ruby tetra
Axelrodia riesei
 2 cm (0.79 in)
Rummy-nose tetra
Hemigrammus rhodostomus
 5 cm (2.0 in) This common name is used for three different species of schooling fish with similar patterns:
Hemigrammus bleheri, and Petitella georgiae
.
False rummy-nose tetra Petitella georgiae 5 cm (2.0 in) This common name is used for three different species of schooling fish with similar patterns:
Hemigrammus bleheri, and Petitella georgiae
.
Splash tetra Copella arnoldi 5.5 cm (2.2 in)
Spotted splashing tetra Copella meinkeni 4.5 cm (1.8 in)
Pyrrhulina spilota 7 cm (2.8 in)
Serpae tetra
Hyphessobrycon serpae
 4.5 cm (1.8 in)
Silvertip tetra
Hasemania nana
 3 cm (1.2 in)
Tucanoichthys tucano
 2 cm (0.79 in)
X-ray tetra Pristella maxillaris 4.5 cm (1.8 in) Also just called the X-ray fish.
Yellow phantom tetra Hyphessobrycon roseus 2 cm (0.79 in)
African moon tetra
Bathyaethiops caudomaculatus
 8 cm (3.1 in)
Congo tetra
Phenacogrammus interruptus
 7.5 cm (3.0 in) Peaceful but may scare shy species with its active swimming and large adult size. Recommended for most community tanks however. Do not keep congo tetras with fin-nipping species as the spectacular fins of the males will be destroyed.[36] 108 L (28.5 gal)[36] 73-82 °F (23-28 °C)[36] 6.0-7.5[36]
Phenacogrammus aurantiacus 10 cm (3.9 in)
Jellybean tetra
Ladigesia roloffi
 3 cm (1.2 in)
Long-fin tetra Brycinus longipinnis 12.5 cm (4.9 in)
Niger tetra
Arnoldichthys spilopterus
 10 cm (3.9 in)
Alestopetersius brichardi 8 cm (3.1 in)
Yellow-tailed Congo tetra
Alestopetersius caudalis
 6 cm (2.4 in)
Hatchetfish
Common name Scientific name Image Size Remarks Tank size Temperature range pH range
Common hatchetfish
Gasteropelecus sternicla
 4 cm (1.6 in) Requires a varied diet including fruit flies[37][38]
Marbled hatchetfish
Carnegiella strigata
 5 cm (2.0 in) Requires a varied diet including fruit flies[38][37]
Black-winged hatchetfish
Carnegiella marthae
 4 cm (1.6 in)
Pygmy hatchetfish Carnegiella myersi 2.2 cm (0.87 in)
Pencil fishes
Common name Scientific name Image Size Remarks Tank size Temperature range pH range
Golden pencilfish Nannostomus beckfordi 6 cm (2.4 in)
Hockeystick pencilfish Nannostomus eques 3.5 cm (1.4 in)
Barred pencilfish Nannostomus espei 3 cm (1.2 in)
Dwarf pencilfish Nannostomus marginatus 2.5 cm (0.98 in)
Coral-red pencilfish Nannostomus mortenthaleri 3 cm (1.2 in)
Nannostomus nigrotaeniatus 3 cm (1.2 in)
Three-lined pencilfish Nannostomus trifasciatus 3 cm (1.2 in)
One-lined Pencilfish Nannostomus unifasciatus 4 cm (1.6 in)
Serrasalminae (pacus, piranhas, and silver dollars
)
Common name Scientific name Image Size Remarks Tank size Temperature range pH range
Silver dollar Metynnis argenteus 15 cm (5.9 in) The name "silver dollar" may also refer to Metynnis hypsauchen, Metynnis maculatus, or other related fishes.
Schreitmuller's metynnis Metynnis hypsauchen 14 cm (5.5 in)
Spotted silver dollar Metynnis lippincottianus 13 cm (5.1 in)
Red-bellied pacu
Colossoma bidens
 120 cm (3.9 ft) 78–82 °F (26–28 °C)
Red piranha
Pygocentrus nattereri
 33 cm (13 in)
Redeye piranha, black piranha
Serrasalmus rhombeus
 41.5 cm (16.3 in)
Wimple piranha
Catoprion mento
 15 cm (5.9 in)
Mylossoma aureum 30 cm (12 in)
Disk tetra
Myleus schomburgkii
 40 cm (16 in) 23 °C to 27 °C 5.0–7.0
Other Characins
Common name Scientific name Image Size Remarks Tank size Temperature range pH range
African pike characin Hepsetus odoe
Goliath tigerfish Hydrocynus goliath 133 cm (52 in)
Spotted pike-characin Boulengerella maculata 32 cm (13 in)
Hujeta gar Ctenolucius hujeta 25 cm (9.8 in)
Slender hemiodus Hemiodus gracilis 16 cm (6.3 in)
Kissing prochilodus, flagtail Prochilodus Semaprochilodus insignis 27.5 cm (10.8 in)
Marbled headstander Abramites hypselonotus 14 cm (5.5 in)[39]
Banded leporinus Leporinus fasciatus 27 cm (11 in)
Striped headstander Anostomus anostomus 16 cm (6.3 in)
Synaptolaemus latofasciatus 11 cm (4.3 in)
Siver distichodus
Distichodus affinis
 20 cm (7.9 in)
Six-banded distichodus
Distichodus sexfasciatus
 75 cm (30 in)
Neolebias ansorgii 3.5 cm (1.4 in)
Payara
Hydrolycus scomberoides
 117 cm (46 in)
Pink-tail chalceus
Chalceus macrolepidotus
 25 cm (9.8 in)
Red wolf fish Erythrinus erythrinus 20 cm (7.9 in)
Red tail barracuda Acestrorhynchus falcatus 30 cm (12 in)
Spotted headstander Chilodus punctatus 8 cm (3.1 in)

Cichlids

Lake Malawi cichlids
Common name Scientific name Image Size Remarks Tank size Temperature range pH range
Sunshine peacock cichlid
Aulonocara baenschi
 13 cm (5.1 in)
Red shoulder peacock
Aulonocara hansbaenschi
 8.5 cm (3.3 in)
Eureka red peacock Aulonocara jacobfreibergi 15 cm (5.9 in)
Aulonocara chizumulu Aulonocara korneliae 8 cm (3.1 in)
Pale Usisya aulonocara
Aulonocara steveni
 9 cm (3.5 in)
Flavescent peacock
Aulonocara stuartgranti
 12 cm (4.7 in)
Spilo Champsochromis spilorhynchus 40 cm (16 in)
Copadichromis azureus 14.5 cm (5.7 in)
Red fin hap Copadichromis borleyi 14 cm (5.5 in)
Blue dolphin cichlid, lumphead cichlid
Cyrtocara moorii
 25 cm (9.8 in)
Afra cichlid, dogtooth cichild Cynotilapia afra 10 cm (3.9 in)
Malawi eyebiter
Dimidiochromis compressiceps
 23 cm (9.1 in)
Rusty cichlid, lavender cichild Iodotropheus sprengerae 10 cm (3.9 in)
Electric yellow cichlid Labidochromis caeruleus 20 cm (7.9 in)
Fuelleborn's cichlid, Blue mbuna
Labeotropheus fuelleborni
 18 cm (7.1 in)
Scrapermouth mbuna
Labeotropheus trewavasae
 12 cm (4.7 in)
Hongi, Red-top kimpumpa
Labidochromis sp. "Hongi"
 13 cm (5.1 in)
Yellow Top Mbamba
Labidochromis sp. "Mbamba Bay"
 13 cm (5.1 in)
Aurora Maylandia aurora 9 cm (3.5 in)
Cobalt blue cichlid, cobalt zebra cichlid Maylandia callainos 10 cm (3.9 in)
Red zebra cichlid Maylandia estherae 8 cm (3.1 in)
Kenyi cichlid Maylandia lombardoi 13 cm (5.1 in)
Zebra mbuna
Maylandia zebra
 11 cm (4.3 in)
Auratus cichlid, Malawi golden cichlid Melanochromis auratus 10 cm (3.9 in)
Chipokee cichlid Melanochromis chipokae 12 cm (4.7 in)
Blue johanni cichlid, Maingano
Melanochromis cyaneorhabdos
 10 cm (3.9 in)
Pearl of Likoma
Melanochromis joanjohnsonae
 10 cm (3.9 in)
Fusco Nimbochromis fuscotaeniatus 25 cm (9.8 in)
Livingston's cichlid Nimbochromis livingstonii 25 cm (9.8 in)
Kaligono Nimbochromis polystigma 30 cm (12 in)
Venustus cichlid, giraffe cichild Nimbochromis venustus 25 cm (9.8 in)
Deep-water hap
Placidochromis electra
 12 cm (4.7 in)
Fenestratus
Protomelas fenestratus
 14 cm (5.5 in)
Red empress cichlid Protomelas taeniolatus 15 cm (5.9 in)
Yellow-tail acei
Pseudotropheus acei
 10 cm (3.9 in)
Bumblebee cichlid, hornet cichlid Pseudotropheus crabro 15 cm (5.9 in)
Dwarf Mbuna Pseudotropheus demasoni 10 cm (3.9 in)
Johanni cichlid Pseudotropheus johannii 10 cm (3.9 in)
Saulosi Pseudotropheus saulosi 7.5 cm (3.0 in)
Pindani
Chindongo socolofi
 7 cm (2.8 in)
Malawi barracuda Rhamphochromis macrophthalmus 30 cm (12 in)
Electric blue cichlid Sciaenochromis fryeri 11.5 cm (4.5 in)
Big-mouth hap Tyrannochromis macrostoma 38 cm (15 in)
Lake Tanganyika cichlids
Common name Scientific name Image Size Remarks Tank size Temperature range pH range
Calvus Altolamprologus calvus 14 cm (5.5 in)
Compressiceps Altolamprologus compressiceps 12 cm (4.7 in)
Benthochromis tricoti 16.5 cm (6.5 in)
Boulengerochromis microlepis
 90 cm (35 in)
Callochromis pleurospilus 10 cm (3.9 in)
Chalinochromis brichardi 12 cm (4.7 in)
Cyathopharynx furcifer
 21 cm (8.3 in)
Frontosa cichild Cyphotilapia frontosa 40 cm (16 in)
Frontosa cichild Cyphotilapia gibberosa 40 cm (16 in)
Herring cichlid, sardine cichlid Cyprichromis leptosoma 11 cm (4.3 in)
Descamp's strange-tooth cichlid
Ectodus descampsii
 10.5 cm (4.1 in)
Brown julie Julidochromis dickfeldi 11 cm (4.3 in)
Marlier's julie Julidochromis marlieri 15 cm (5.9 in) fem / 10 cm (3.9 in) male
Golden julie
Julidochromis ornatus
 8.5 cm (3.3 in)
Convict julie
Julidochromis regani
 15 cm (5.9 in) fem / 10 cm (3.9 in) male
Masked julie
Julidochromis transcriptus
 10 cm (3.9 in)
Lamprologus ocellatus 6 cm (2.4 in)
Lamprologus signatus 5.5 cm (2.2 in)
Neolamprologus brevis 6 cm (2.4 in)
Lyretail cichlid, fairy cichlid Neolamprologus brichardi 10 cm (3.9 in)
Lemon cichlid Neolamprologus leleupi 11.5 cm (4.5 in)
Neolamprologus multifasciatus 3.8 cm (1.5 in)
Neolamprologus similis 3.8 cm (1.5 in) A small shell-dwelling cichlid from Lake Tanganyika. Very similar to N. multifsciatus but similis has striping from the body continue to the head
Five-barred lamprologus Neolamprologus tretocephalus 15 cm (5.9 in)
Featherfin Ophthalmotilapia ventralis 15 cm (5.9 in)
Petrochromis trewavasae
 20 cm (7.9 in)
Simochromis pleurospilus
 10 cm (3.9 in)
Tropheus duboisi 13 cm (5.1 in)
Tropheus moorii 14 cm (5.5 in)
Tropheus polli 14 cm (5.5 in)
Variabilichromis moorii 10 cm (3.9 in)
Yellow sand cichlid
Xenotilapia flavipinnis
 9 cm (3.5 in)
Lake Victoria cichlids
Common name Scientific name Image Size Remarks Tank size Temperature range pH range
Allauad's haplo
Astatoreochromis alluaudi
 19 cm (7.5 in)
Haplochromis aeneocolor 7.5 cm (3.0 in)
Zebra obliquidens Haplochromis latifasciatus 11 cm (4.3 in)
Flameback Haplochromis nyererei 8 cm (3.1 in)
Haplochromis thereuterion 8 cm (3.1 in)
Hippo Point Salmon Ptyochromis sp. "Hippo Point Salmon" 14 cm (5.5 in)
Miscellaneous African cichlids (non-
Rift Lake
)
Common name Scientific name Image Size Remarks Tank size Temperature range pH range
African butterfly cichlid
Anomalochromis thomasi
 5 cm (2.0 in)
Dwarf Egyptian mouthbrooder
Pseudocrenilabrus multicolor
 8 cm (3.1 in)
Guenther's mouthbrooder
Chromidotilapia guentheri
 10 cm (3.9 in)
Jewel cichlid, two-spotted jewel cichlid
Rubricatochromis bimaculatus
 14 cm (5.5 in)
Lifalili jewel cichlid, blood-red jewel cichlid Rubricatochromis lifalili 8 cm (3.1 in)
Ocellated kribensis Pelvicachromis subocellatus 5 cm (2.0 in)
Rainbow krib Pelvicachromis pulcher 11 cm (4.3 in)
Striped kribensis Pelvicachromis taeniatus 7 cm (2.8 in)
Yellow kribensis Wallaceochromis humilis 12.5 cm (4.9 in)
Lionhead cichlid
Steatocranus casuarius
 10 cm (3.9 in)
Nanochromis parilus 4.5 cm (1.8 in)
Central American cichlids
Common name Scientific name Image Size Remarks Tank size Temperature range pH range
Bay snook Petenia splendida 50 cm (20 in)
Blackbelt cichlid Vieja maculicauda 25 cm (9.8 in)
Convict cichlid
Amatitlania nigrofasciata
 10 cm (3.9 in)
Amatitlania myrnae 8 cm (3.1 in)
Firemouth cichlid
Thorichthys meeki
 17 cm (6.7 in)
Jack Dempsey cichlid
Rocio octofasciata
 25 cm (9.8 in)
Jaguar cichlid, managuense cichlid Parachromis managuensis 55 cm (22 in)
Mayan cichlid Mayaheros urophthalmus 39.5 cm (15.6 in)
Midas cichlid Amphilophus citrinellus 24.5 cm (9.6 in) commonly confused with red devil cichlids, but it is an entirely different species [40]
Nicaraguan cichlid, moga Hypsophrys nicaraguensis 20 cm (7.9 in)
Poor man's tropheus
Neetroplus nematopus
 14 cm (5.5 in)
Rainbow cichlid
Herotilapia multispinosa
 17 cm (6.7 in)
Red terror, guayas cichlid Mesoheros festae 25 cm (9.8 in)
Salvin's cichlid
Trichromis salvini
 22 cm (8.7 in)
Texas cichlid, Rio Grande cichlid
Herichthys cyanoguttatus
 30 cm (12 in)
T-bar cichlid Amatitlania sajica 9 cm (3.5 in)
Wolf cichlid Parachromis dovii 72 cm (28 in)
Yellowjacket cichlid Parachromis friedrichsthalii 28 cm (11 in)
False yellowjacket cichlid Parachromis motaguensis 30 cm (12 in)
South American cichlids
Common name Scientific name Image Size Remarks Tank size Temperature range pH range
Blue acara
Andinoacara pulcher
 16 cm (6.3 in)
Thread-finned acara
Acarichthys heckelii
 19.5 cm (7.7 in)
Angelfish Pterophyllum scalare 15 cm (5.9 in) In an enclosed tank habitat, the fish's territorial, aggressive nature is heightened, so don't house angelfish with shy species that are intimidated by pushy, boisterous fish.[41] 75–82 °F (25–28 °C)[41] 6.8 – 7[41]
Altum angelfish Pterophyllum altum 18 cm (7.1 in)
Spotted angelfish Pterophyllum leopoldi 10 cm (3.9 in)
Chocolate cichlid
Hypselecara temporalis
 15 cm (5.9 in)
Common discus, red discus Symphysodon discus 12 cm (4.7 in)
Blue discus, green discus Symphysodon aequifasciatus 14 cm (5.5 in)
Eartheater cichlid Geophagus altifrons 26.5 cm (10.4 in)
Demon eartheater Satanoperca jurupari 17 cm (6.7 in)
Threespot eartheater Satanoperca daemon 20 cm (7.9 in)
Flag cichlid Mesonauta festivus 12 cm (4.7 in)
Greenstreaked eartheater, cupid cichlid Biotodoma cupido 12 cm (4.7 in)
Green terror
Andinoacara rivulatus
 20 cm (7.9 in)
Oscar
Astronotus ocellatus
 45 cm (18 in) Many people that purchase these fish do not realize that the fish could grow to a foot long (30 cm) within a year. Due to their fast growth rate and large size as an adult, they are often kept in aquariums that are too small for them.[42] 72-80 °F (22-27 °C)[42] 6.0-7.5[42]
Butterfly peacock bass Cichla ocellaris 74 cm (29 in)
Orinoco peacock bass Cichla orinocensis 62 cm (24 in)
Speckled peacock bass, speckled pavon Cichla temensis 100 cm (39 in)
Pearl cichlid
Geophagus brasiliensis
 28 cm (11 in)
Severum Heros efasciatus 17 cm (6.7 in)
Uaru, waroo Uaru amphiacanthoides 25 cm (9.8 in) Also known as the Triangle Cichlid.
Zebra Pike Cichlid Crenicichla zebrina 26.5 cm (10.4 in)
Dwarf cichlids (apistogrammas, rams and others)
Common name Scientific name Image Size Remarks Tank size Temperature range pH range
Agassiz's dwarf cichlid Apistogramma agassizii 4 cm (1.6 in)
Umbrella cichlid Apistogramma borellii 4 cm (1.6 in)
Cockatoo cichlid Apistogramma cacatuoides 5 cm (2.0 in)
Apistogramma nijsseni 4 cm (1.6 in)
Three-striped dwarf ichlid Apistogramma trifasciata 4 cm (1.6 in)
Two-striped dwarf cichlid, banded dwarf cichlid
Apistogramma bitaeniata
 7.5 cm (3.0 in)
Keyhole cichlid
Cleithracara maronii
 7 cm (2.8 in)
Lyretail checkerboard cichlid, chessboard cichlid Dicrossus filamentosus 4 cm (1.6 in)
Zebra acara
Ivanacara adoketa
 5 cm (2.0 in)
Dwarf flag cichlid Laetacara curviceps 4.5 cm (1.8 in)
Blue ram, German ram, ram cichlid
Mikrogeophagus ramirezi
 3.5 cm (1.4 in) [43] These small and colorful fish require precise water parameters, and if you don't meet those parameters, your fish could be severely impacted.[43] 10 U.S. gal (38 L)[43] 78 - 85 F (25.5 - 29.4 C)[43] 6.0 – 7.5[43]
Bolivian ram Mikrogeophagus altispinosus 5.5 cm (2.2 in)
Goldeneye cichlid
Nannacara anomala
 6 cm (2.4 in)
Other cichlids
Common name Scientific name Image Size Remarks Tank size Temperature range pH range
Canara pearlspot
Etroplus canarensis
 11.5 cm (4.5 in)
Green chromide
Etroplus suratensis
 40 cm (16 in)
Orange chromide
Pseudetroplus maculatus
 9.5 cm (3.7 in)
Pinstripe damba Paretroplus menarambo 17 cm (6.7 in)
Blood parrot cichlid (Amphilophus citrinellus × Vieja melanurus) Not considered a separate species of cichlid but a hybrid.[44]
Flowerhorn cichlid Cichlasoma sp. 25 cm (9.8 in) Not considered a separate species of cichlid but a hybrid.[44]

Cyprinids

Barbs
Common name Scientific name Image Size Remarks Tank size Temperature range pH range
African banded barb
Enteromius fasciolatus
 6 cm (2.4 in)
African butterfly barb
Enteromius hulstaerti
 3.5 cm (1.4 in)
Jae barb
Enteromius jae
 4 cm (1.6 in)
Arulius barb
Dawkinsia arulius
 12 cm (4.7 in) 66 °F to 77 °F (19°-25 °C) 6 – 8
Bigspot barb, Duncker's barb
Barbodes dunckeri
 13 cm (5.1 in) 72 - 85 °F (22 - 29 °C) 6 - 7
Black ruby barb Pethia nigrofasciatus 6.5 cm (2.6 in)
Cherry barb
Puntius titteya
 4.8 cm (1.9 in)
Denison's barb, red line torpedo barb
Sahyadria denisonii
 15 cm (5.9 in)
Drape fin barb Oreichthys crenuchoides 4.5 cm (1.8 in)
Gold barb
Barbodes semifasciolatus
 8 cm (3.1 in)
Golden barb
Pethia gelius
 5 cm (2.0 in)
Odessa barb
Pethia padamya
 8 cm (3.1 in)
Melon barb
Haludaria fasciata
 15 cm (5.9 in)
Mascara Barb Dawkinsia assimilis 12 cm (4.7 in) 66 °F to 77 °F (19°-25 °C) 6 – 8
Dawkinsia rohani 12 cm (4.7 in) 66 °F to 77 °F (19°-25 °C) 6 – 8
Dawkinsia tambraparniei 12 cm (4.7 in) 66 °F to 77 °F (19°-25 °C) 6 – 8
Narayan barb Pethia setnai 6 cm (2.4 in)
Rosy barb
Pethia conchonius
 13 cm (5.1 in)
Sawbwa barb
Sawbwa resplendens
 3 cm (1.2 in)
Tic-tac-toe barb Pethia stoliczkana 5 cm (2.0 in)
Tiger barb, sumatra barb
Puntigrus tetrazona
 7.5 cm (3.0 in) Keep in shoals of 8 or 10 to prevent aggression[45]
Spanner barb, t-barb
Barbodes lateristriga
 20 cm (7.9 in)
Fiveband barb, pentazona barb
Desmopuntius hexazona
 5 cm (2.0 in)
Snakeskin barb Desmopuntius rhomboocellatus 3.5 inches
Checker barb
Oliotius oligolepis
 5 cm (2.0 in)
Other cyprinids
Common name Scientific name Image Size Remarks Tank size Temperature range pH range
Tinfoil barb
Barbonymus schwanenfeldii
 36 cm (14 in)
Giant sword minnow Macrochirichthys macrochirus 100 cm (39 in)
Hampala barb Hampala macrolepidota 70 cm (28 in)
Mad barb Leptobarbus hoevenii 100 cm (39 in)
Bala shark
Balantiocheilus melanopterus
 40 cm (16 in) Grows large, needs lots of swimming room and is a schooling fish so a 125 gallon would be good for 3-4[46]
Black shark
Labeo chrysophekadion
 90 cm (35 in)
Apollo Shark Luciosoma setigerum 22 cm (8.7 in)
Siamese algae eater, fringe barb Crossocheilus langei 16 cm (6.3 in) Many other fish in the order Cypriniformes are also sold under this name. Very likely to jump out of the aquarium especially after reaching adult size. Very useful for getting rid of algae when it is young but prefer fish food upon reaching adulthood.[47]
Cyclocheilichthys janthochir 20 cm (7.9 in)
Flying fox (fish)
Epalzeorhynchos kalopterus
 16 cm (6.3 in)
Red-tailed black shark
Epalzeorhynchos bicolor
 13 cm (5.1 in)
Rainbow shark
Epalzeorhynchos frenatum
 15 cm (5.9 in)
Cambodian log sucker, false Siamese algae eater
Ceratogarra cambodgiensis
 24 cm (9.4 in)
Jullien's golden carp
Probarbus jullieni
 150 cm (59 in)
Panda garra Garra flavatra 6 cm (2.4 in)
Chinese algae eater
 Gyrinocheilus aymonieri 28 cm (11 in) This species may be sold under a variety of common names, including Siamese algae eater, Chinese algae eater, golden algae eater, or sucking loach. A gold colored form also exists.
Rasboras
Common name Scientific name Image Size Tank size Tank size Temperature range pH range
Harlequin rasbora
Trigonostigma heteromorpha
 5 cm (2.0 in) Also known as Harlequin tetra or Harlequin barb.
Glowlight rasbora
Trigonostigma hengeli
 5 cm (2.0 in)
Red-striped rasbora
Trigonopoma pauciperforata
 7.5 cm (3.0 in) 22–29 °C (72–84 °F)
Trigonopoma gracile 5.5 cm (2.2 in) 22–29 °C (72–84 °F)
Chili rasbora Boraras brigittae 2 cm (0.79 in) Should be kept in
acidic water which can be difficult to maintain for most beginners in the aquarium hobby.[48]
 5 U.S. gallons (19 L)[48] 20–28 °C (68–82 °F)[48] 5-6[48]
Dwarf rasbora
Boraras maculatus
 2.5 cm (0.98 in)
Phoenix rasbora Boraras merah 2 cm (0.79 in)
Eyespot rasbora
Brevibora dorsiocellata
 3.5 cm (1.4 in)
Kottelatia brittani 6 cm (2.4 in)
Rasbora cephalotaenia 13 cm (5.1 in)
Brilliant rasbora
Rasbora einthovenii
 9 cm (3.5 in)
Clown rasbora
Rasbora kalochroma
 10 cm (3.9 in)
Rasbora patrickyapi 6 cm (2.4 in)
Scissortail rasbora Rasbora trilineata 15 cm (5.9 in)
Volcano rasbora Rasbora vulcanus 5 cm (2.0 in)
Microdevario kubotai 2 cm (0.79 in)
Blackline rasbora, red-tailed rasbora
Rasbora borapetensis
 10 cm (3.9 in)
Espei rasbora Trigonostigma espei 5 cm (2.0 in)
Fire rasbora Rasboroides vaterifloris 4 cm (1.6 in)
Least rasbora
Boraras urophthalmoides
 1.6 cm (0.63 in)
Danios and other danionins
Common name Scientific name Image Size Remarks Tank size Temperature range pH range
Sundadanio axelrodi 2 cm (0.79 in)
Pearl danio
Danio albolineatus
 6.5 cm (2.6 in) subspecies:
Kedah danio
Barred danio
Devario pathirana
 6 cm (2.4 in)
Celestial Pearl danio Danio margaritatus 2 cm (0.79 in)
Emerald dwarf danio Danio erythromicron 2 cm (0.79 in)
Fireline devario Devario sondhii 4.5 cm (1.8 in)
Giant danio
Devario aequipinnatus
 15 cm (5.9 in)
Devario auropurpureus 8 cm (3.1 in)
Glowlight danio
Danio choprae
 4 cm (1.6 in)
Gold-ring danio Danio tinwini 2 cm (0.79 in)
Malabar danio
Devario malabaricus
 11.5–14 cm (4.5–5.5 in)
Ocelot danio Danio kyathit 6 cm (2.4 in)
Spotted danio
Danio nigrofasciatus
 4 cm (1.6 in)
Turquoise danio
Danio kerri
 5 cm (2.0 in)
Zebra danio
Danio rerio
 5 cm (2.0 in)
Barilius ardens 10 cm (3.9 in)
Opsarius pulchellus 11 cm (4.3 in)
Cold-water cyprinids
Common name Scientific name Image Size Remarks Tank size Temperature range pH range
Goldfish
Carassius auratus
 15+ cm (6+ in) variations:
Telescope eye, Veiltail
.
Koi, common carp
Cyprinus carpio
 30+ cm (12+ in)
Bitterling
Rhodeus amarus
 10 cm (4 in)
White Cloud Mountain minnow
Tanichthys albonubes
 3.8 cm (1.5 in)
Red shiner
Cyprinella lutrensis
 5–9 cm (2.0–3.5 in)
Common dace
Leuciscus leuciscus
 40 cm (16 in) 39 to 72 °F (4 to 22 °C) 6.0 to 8.0
Rosy red minnow, fathead minnow
Pimephales promelas
 5–7.5 cm (2.0–3.0 in) 10–21 °C (50–70 °F) 7.0 - 7.5
Rainbow shiner
Notropis chrosomus
European minnow
Phoxinus phoxinus
Southern redbelly dace
Phoxinus erythrogaster
 7.5–10 cm (3.0–3.9 in)
Tench
Tinca tinca
Golden orfe
Leuciscus idus
Chinese high fin banded shark
Myxocyprinus asiaticus
 60 cm (24 in)

Loaches

Loaches
Common name Scientific name Image Size Remarks Tank size Temperature range pH range
Borneo hillstream loach Gastromyzon sp. 6–8 cm (2.4–3.1 in) Eats mainly algae. High oxygen level and water quality are greatly appreciated in addition to a strong current (but not needed as many sources claim)[49] 10 U.S. gal (38 L)[50] 18–25 °C (64–77 °F)[50] 6.5 – 8.0 pH[50]
Clown loach
Chromobotia macracanthus
 20 cm (7.9 in)
Green tiger loach Syncrossus hymenophysa 21 cm (8.3 in)
Fire-eyed loach Barbucca diabolica 2.5 cm (0.98 in)
Fork-tailed loach Vaillantella maassi 12.5 cm (4.9 in)
Horseface loach Acantopsis dialuzona 20 cm (7.9 in)
Pangio anguillaris 12 cm (4.7 in)
Pangio cuneovirgata 6 cm (2.4 in)
Java loach
Pangio oblonga
 8 cm (3.1 in) 6.2 to 7.0
Pangio shelfordii
 8 cm (3.1 in)
Kuhli loach, coolie loach Pangio semicincta 10 cm (3.9 in) The natural habitat of the kuhli loach is the sandy beds of slow-moving rivers and clean mountain streams. They are a social fish and are typically found in small clusters (they are not schooling fish but enjoy the company of their species), but are cautious and
nocturnal by nature and swim near the bottom where they feed around obstacles. Kuhli loaches are scavengers, so they will eat anything that reaches the bottom.[citation needed
] 		75–86 °F (24–30 °C) 5.5 – 6.5
Saddle-back Loach Homaloptera orthogoniata 13 cm (5.1 in) The Saddleback Loach will thrive in an aquarium with a good amount of water flow and aeration, considerable amounts of hiding places formed by rocks or driftwood and smooth pebbles and stones to graze on.[51] 68 - 78 F (20 - 25.6 C)[51] 6 - 7.5[51]
Dwarf botia
Ambastaia sidthimunki
 5.5 cm (2.2 in) Formerly named Botia sidthimunki.
Bengal loach Botia dario 15 cm (5.9 in) Also known as the Queen loach.
Botia histrionica 12 cm (4.7 in)
Gangetic loach Botia rostrata 25 cm (9.8 in)
Polka-Dot Loach
Botia kubotai
 12 cm (4.7 in)
Yoyo loach
Botia almorhae
 15 cm (5.9 in)
Zebra loach
Botia striata
 9 cm (3.5 in)
Redtail loach Yasuhikotakia modesta 25 cm (9.8 in)
Skunk loach
Yasuhikotakia morleti
 10 cm (3.9 in) Formerly named Botia morleti
Yasuhikotakia splendida 10 cm (3.9 in)
Banded tiger loach Syncrossus helodes 30 cm (12 in)
Redfin tiger loach Syncrossus berdmorei 15 cm (5.9 in)
Golden zebra loach Sinibotia pulchra 10 cm (3.9 in)
Imperial flower loach Leptobotia elongata 50 cm (20 in)
Butterfly hillstream loach Beaufortia kweichowensis 8 cm (3.1 in) Eats mainly algae. High oxygen level and water quality are greatly appreciated in addition to a strong current (but not needed as many sources claim)[49]
Panda loach Yaoshania pachychilus 6 cm (2.4 in)
Tiger hillstream loach Sewellia lineolata 6 cm (2.4 in) Eats mainly algae. High oxygen level and water quality are greatly appreciated in addition to a strong current (but not needed as many sources claim)[49]
Rosy loach Physoschistura mango 3 cm (1.2 in)
Sumo loach Schistura balteata 8 cm (3.1 in)
Zodiac loach
Mesonoemacheilus triangularis
 6 cm (2.4 in)
Serpenticobitis octozona 5.5 cm (2.2 in)
Weather Loach[52]
Misgurnus anguillicaudatus[53]
 30 centimetres (12 in) Sensitive to changes in barometric pressure[54]

Live-bearers

Guppies and mollies
Common name Scientific name Image Size Remarks Tank size Temperature range pH range
Guppy
Poecilia reticulata
 5 cm (2.0 in) Many color and tail pattern varieties exist. They generally need a ratio of 1 male to 2 females or more. All guppies and mollies are hardy fish that tolerate lower oxygen levels and temperatures than most aquarium fish, give birth to live young, and readily breed in home tanks.[55] can live in full sea water[56] 66 °F - 84 °F (19 °C - 29 °C) 7 - 8
Endler's livebearer Poecilia wingei 3.8 cm (1.5 in)
Black molly Poecilia sphenops 10 cm (3.9 in) Can live in full sea water[56]
Sailfin molly
Poecilia latipinna
 10 cm (3.9 in) Gold and silver varieties commonly found; also thrive in brackish water/ full sea water[56]
Yucatan molly, giant sailfin molly Poecilia velifera 15 cm (5.9 in)
Dalmatian molly hybrid 5 cm (2.0 in) The dalmatian molly is a hybrid color variation that can be generated by crossing some species of
P. latipinna. The variety "Dalmatian" is spotted alike to a Dalmatian dog. Can live in full sea water[56]
Lyretail Molly hybrid 5 cm (2.0 in) Lyretail Mollies are available in all of these species, can be cross bred with any species of Molly. Can live in full sea water[56]
Platies and swordtails
Common name Scientific name Image Size Remarks Tank size Temperature range pH range
Southern platy
Xiphophorus maculatus
 6 cm (2.4 in)
Variable platy
Xiphophorus variatus
 6 cm (2.4 in)
Green swordtail
Xiphophorus hellerii
 14 cm (5.5 in)
Montezuma swordtail Xiphophorus montezumae 5.5 cm (2.2 in)
Other livebearers
Common name Scientific name Image Size Remarks Tank size Temperature range pH range
Largescale four-eyed fish Anableps anableps 30 cm (12 in)
Pike topminnow
Belonesox belizanus
 6 cm (2.4 in)
Redtail splitfin
Xenotoca eiseni
 6 cm (2.4 in)
Cuban lima
Limia vittata
 8 cm (3.1 in)
Knife livebearer Alfaro cultratus 7.5 cm (3.0 in)
Least killifish Heterandria formosa 3.5 cm (1.4 in)
Metallic livebearer Girardinus metallicus 5 cm (2.0 in)
Dwarf merry widow Phallichthys tico 2.5 cm (0.98 in)
Tanganyika killifish
Lamprichthys tanganicanus
 15 cm (5.9 in)
Norman's lampeye Poropanchax normani 4.5 cm (1.8 in)
Large finned lampeye Procatopus nototaenia 6 cm (2.4 in)
Variable lampeye Procatopus similis 6 cm (2.4 in)
Celebes halfbeak Nomorhamphus liemi 8 cm (3.1 in)
Wrestling halfbeak
Dermogenys pusilla
 7.5 cm (3.0 in)[57] Wrestling Halfbeaks are best kept in groups, composed of either a single male with several females, or, in more spacious quarters with ample visual barriers, larger mixed groups containing at least six males. 75-82 F (24-28 C) [57] 7 - 8[57]
Forest halfbeak Hemirhamphodon pogonognathus 10 cm (3.9 in)
Hemirhamphodon tengah 3.5 cm (1.4 in)

Killifish

African killifishes
Common name Scientific name Image Size Remarks Tank size Temperature range pH range
Broken-line killifish Aphyosemion ogoense 5 cm (2.0 in)
Gabon killifish Aphyosemion gabunense 5 cm (2.0 in)
Gabon jewelfish Aphyosemion cyanostictum 6.5 cm (2.6 in)
Lyretail panchax Aphyosemion australe 6 cm (2.4 in)
Red-striped killifish Aphyosemion striatum 6 cm (2.4 in)
Two-striped killifish Aphyosemion bitaeniatum 5 cm (2.0 in)
Twostripe lyretail Aphyosemion bivittatum 5 cm (2.0 in)
Blue lyretail
Fundulopanchax gardneri
 5 cm (2.0 in)
Blue gularis Fundulopanchax sjostedti 13 cm (5.1 in)
Fundulopanchax scheeli 6 cm (2.4 in)
Clown Killifish, rocket killifish
Epiplatys annulatus
 3.5 cm (1.4 in) 50 L (13 U.S. gal) 25–27 °C (77–81 °F) 6 - 7 pH
Redchin panchax Epiplatys dageti 6 cm (2.4 in)
Bluefin Notho, Rachow's Notho, Rainbow Notho Nothobranchius rachovii 6 cm (2.4 in)
Redtail notho
Nothobranchius guentheri
 3.5 cm (1.4 in)
Nothobranchius eggersi 5 cm (2.0 in)
Nothobranchius korthausae 5 cm (2.0 in)
Nothobranchius palmqvisti 5 cm (2.0 in)
Other killifishes
Common name Scientific name Image Size Remarks Tank size Temperature range pH range
Blue panchax Aplocheilus armatus 9 cm (3.5 in)
Ceylon killifish
Aplocheilus dayi
 9 cm (3.5 in)
Striped panchax, Golden Wonder Aplocheilus lineatus 10 cm (3.9 in)
Madagascar panchax Pachypanchax sakaramyi 9 cm (3.5 in)
Playfair's panchax Pachypanchax playfairii 10 cm (3.9 in)
Powder-blue Panchax Pachypanchax omalonotus 9 cm (3.5 in)
American flagfish
Jordanella floridae
 6 cm (2.4 in) Native to SE United States
Arabian toothcarp Aphaniops dispar 7 cm (2.8 in)
Argentine pearl Austrolebias nigripinnis 7 cm (2.8 in)
Laimosemion xiphidius 5.5 cm (2.2 in)
Lyrefin pearlfish Simpsonichthys boitonei 4.5 cm (1.8 in)
Saberfin killie
Terranatos dolichopterus
 4 cm (1.6 in)
Medaka
Oryzias latipes
 4 cm (1.6 in)
Javanese ricefish Oryzias javanicus 3.5 cm (1.4 in)
Daisy's Ricefish Oryzias woworae 2.5–3 cm (0.98–1.18 in)

Labyrinth fish

Gourami
Common name Scientific name Image Size Remarks Tank size Temperature range pH range
Ceylonese combtail Belontia signata 18 cm (7.1 in)
Siamese fighting fish (sometimes Betta, esp. US)
Betta splendens
 7.5 cm (3.0 in) Betta is the name of the genus that includes more than 60 species other than the Siamese fighting fish. 5 gal [58] 72–82 °F (22–28 °C)[58] 6.5-7.5[58]
Emerald betta Betta smaragdina 7 cm (2.8 in)
Spotfin betta
Betta macrostoma
 10 cm (3.9 in)
Frail gourami
Ctenops nobilis
 4 cm (1.6 in)
Black paradisefish
Macropodus spechti
 8 cm (3.1 in)
Paradise fish
Macropodus opercularis
 7.5 cm (3.0 in)
Round tail paradisefish
Macropodus ocellatus
 8.5 cm (3.3 in)
Ornate paradisefish
Malpulutta kretseri
 4 cm (1.6 in)
Eyespot gourami
Parasphaerichthys ocellatus
 5 cm (2.0 in)
Brown Spike-tailed paradisefish Pseudosphromenus dayi 4 cm (1.6 in)
Honey gourami
Trichogaster chuna
 5.5 cm (2.2 in)
Dwarf gourami
Trichogaster lalius
 5 cm (2.0 in) Suitable for small to mid-sized aquariums but cannot compete with more aggressive fish and males kept together may fight. Several color varieties available. Massive inbreeding has led to high rates of Dwarf gourami iridovirus (DGIV) in pet store fish.[59] 72 – 82 °F (22 – 27 °C) [60] 6 - 7.5[60]
Thick-lipped gourami
Trichogaster labiosa
 9 cm (3.5 in)
Moonlight gourami
Trichopodus microlepis
 15 cm (5.9 in)
Snakeskin gourami
Trichopodus pectoralis
 20 cm (7.9 in)
Pygmy gourami, Sparkling gourami
Trichopsis pumila
 3.8 cm (1.5 in)
Malay combtail Belontia hasselti 20 cm (7.9 in)
Betta albimarginata 3 cm (1.2 in)
Betta brownorum 3 cm (1.2 in)
Betta burdigala 3.5 cm (1.4 in)
Betta channoides 3 cm (1.2 in)
Scarlet betta Betta coccina 4 cm (1.6 in)
Betta foerschi 5 cm (2.0 in)
Betta hendra 4 cm (1.6 in)
Crescent betta
Betta imbellis
 6 cm (2.4 in)
Betta mandor 5 cm (2.0 in)
Betta miniopinna 3.5 cm (1.4 in)
Betta persephone 3.5 cm (1.4 in)
Toba betta
Betta rubra
 4 cm (1.6 in)
Betta rutilans 3.5 cm (1.4 in)
Betta uberis 3.5 cm (1.4 in)
Giant pikehead Luciocephalus pulcher 20 cm (7.9 in)
Peppermint pikehead Luciocephalus aura 10 cm (3.9 in)
Parosphromenus anjunganensis 3 cm (1.2 in)
Parosphromenus bintan 3 cm (1.2 in)
Parosphromenus deissneri
 3 cm (1.2 in)
Parosphromenus filamentosus 3 cm (1.2 in)
Parosphromenus linkei 3 cm (1.2 in)
Parosphromenus opallios 3 cm (1.2 in)
Parosphromenus ornaticauda 3 cm (1.2 in)
Parosphromenus phoenicurus 3 cm (1.2 in)
Parosphromenus quindecim 3 cm (1.2 in)
Chocolate gourami
Sphaerichthys osphromenoides
 6 cm (2.4 in)
Crossband chocolate gourami Sphaerichthys selatanensis 4 cm (1.6 in)
Samurai gourami Sphaerichthys vaillanti 4 cm (1.6 in)
Pearl gourami
Trichopodus leerii
 11.5 cm (4.5 in)
Three spot gourami
Trichopodus trichopterus
 10 cm (3.9 in)
Croaking gourami
Trichopsis vittata
 6.5 cm (2.6 in)
Giant gourami
Osphronemus goramy
 60 cm (24 in)
Other labyrinth fishes
Common name Scientific name Image Size Remarks Tank size Temperature range pH range
Kissing gourami
Helostoma temminckii
 15 cm (5.9 in)
Climbing perch Anabas testudineus 20 cm (7.9 in)
Leopard bush fish
Ctenopoma acutirostre
 15 cm (5.9 in)
Mottled ctenopoma Ctenopoma weeksii 12 cm (4.7 in)
Tailspot ctenopoma Ctenopoma kingsleyae 20 cm (7.9 in)
Ornate ctenopoma Microctenopoma ansorgii 5 cm (2.0 in)
Blue badis Badis badis 7 cm (2.8 in)
Scarlet badis
Dario dario
 1.5 cm (0.59 in)
Black tiger dario Dario tigris 2.5 cm (0.98 in)
Bornean leaffish Nandus nebulosus 12 cm (4.7 in)
Malayan leaffish Pristolepis fasciata 20 cm (7.9 in)
Forest snakehead
Channa lucius
 40 cm (16 in) Illegal to possess live in the USA without a permit[61]
Dwarf snakehead Channa gachua 20 cm (7.9 in) Illegal to possess live in the USA without a permit[61]
Emperor snakehead Channa marulioides 65 cm (26 in) Illegal to possess live in the USA without a permit[61]
Giant snakehead Channa micropeltes 130 cm (51 in) Illegal to possess live in the USA without a permit[61]
Ocellated snakehead Channa pleurophthalma 35 cm (14 in) Illegal to possess live in the USA without a permit[61]
Orange-spotted snakehead
Channa aurantimaculata
 36 cm (14 in)
Barca snakehead
Channa barca
 105 cm (41 in)
Rainbow snakehead Channa bleheri 14.5 cm (5.7 in)
African snakehead
Parachanna obscura
 50 cm (20 in) Illegal to possess live in the USA without a permit[61]

Rainbowfish

Common name Scientific name Image Size Remarks Tank size Temperature range pH range
Bleher's rainbowfish
Chilatherina bleheri
 12 cm (4.7 in)
Red rainbowfish
Glossolepis incisus
 9–13 cm (3.5–5.1 in) Almost all rainbowfish species are bred in captivity and wild populations may be protected.[62]
Threadfin rainbowfish
Iriatherina werneri
 3–4 cm (1.2–1.6 in)
New Guinea rainbowfish Melanotaenia affinis 13 cm (5.1 in)
Boeseman's rainbowfish
Melanotaenia boesemani
 10–13 cm (3.9–5.1 in)
Lake Kurumoi rainbowfish
Melanotaenia parva
 7.5–8 cm (3.0–3.1 in)
Neon rainbowfish
Melanotaenia praecox
 6–7.5 cm (2.4–3.0 in)
Lake Wanam rainbowfish
Glossolepis wanamensis
 9 cm (3.5 in)
Western rainbowfish Melanotaenia australis 11 cm (4.3 in)
Duboulayi's rainbowfish Melanotaenia duboulayi 13–15 cm (5.1–5.9 in) a.k.a. Crimson-Spotted rainbowfish
Australian rainbowfish
Melanotaenia fluviatilis
 13–15 cm (5.1–5.9 in)
Lake Tebera rainbowfish
Melanotaenia herbertaxelrodi
 9 cm (3.5 in)
Lake Kutubu rainbowfish
Melanotaenia lacustris
 12 cm (4.7 in)
Parkinson's rainbowfish Melanotaenia parkinsoni 11 cm (4.3 in)
Eastern rainbowfish
Melanotaenia splendida splendida
 13–15 cm (5.1–5.9 in)
Banded rainbowfish
Melanotaenia trifasciata
 13 cm (5.1 in)
Celebes rainbow
Marosatherina ladigesi
 8 cm (3.1 in)
Spotted blue-eye
Pseudomugil gertrudae
 3–4 cm (1.2–1.6 in)
Red neon blue-eye
Pseudomugil luminatus
 3–3.5 cm (1.2–1.4 in)
Delicate blue-eye
Pseudomugil tenellus
 4–5.5 cm (1.6–2.2 in)
Forktail blue-eye
Pseudomugil furcatus
 4–5 cm (1.6–2.0 in) These fish need a larger aquarium than their size suggests. Though they only grow to a length of about 2 inches, they are happiest in groups of 8 – 10 or more, and they appreciate lots of swimming space.[63] 75 - 79 °F (24 - 26 °C) [63] 6.5 - 8.0[63]
Neon blue-eye
Pseudomugil cyanodorsalis
 3.5 cm (1.4 in)
Pacific blue-eye
Pseudomugil signifer
 3.5–7 cm (1.4–2.8 in)
Madagascar rainbowfish Bedotia madagascariensis 7.5–8 cm (3.0–3.1 in)

Gobies and sleepers

Common name Scientific name Image Size Remarks Tank size Temperature range pH range
Bumblebee goby Brachygobius doriae 4 cm (1.6 in)
Mugilogobius rexi 3 cm (1.2 in)
Knight goby Stigmatogobius sadanundio 9 cm (3.5 in)
Barred mudskipper
Periophthalmus argentilineatus
 19 cm (7.5 in)
Stiphodon annieae 2.5 cm (0.98 in)
Rainbow stiphodon Stiphodon ornatus 5 cm (2.0 in)
Cobalt blue goby Stiphodon semoni 4–5 cm (1.6–2.0 in)
Sicyopus exallisquamulus 5 cm (2.0 in)
Sicyopus zosterophorus 4.5 cm (1.8 in)
Bearded worm goby Taenioides cirratus 30 cm (12 in)
Banded mogurnda Mogurnda cingulata 13 cm (5.1 in)
Tropical carp-gudgeon Hypseleotris cyprinoides 8 cm (3.1 in)
Crazy fish
Butis butis
 15 cm (5.9 in)
Marbled goby Oxyeleotris marmorata 30–65 cm (12–26 in)
Rhinogobius duospilus 6 cm (2.4 in)
Stiphodon percnopterygionus 4 cm (1.6 in)
Golden-red stiphodon Stiphodon rutilaureus 4.5 cm (1.8 in)
Atlantic mudskipper
Periophthalmus barbarus
 16 cm (6.3 in)
Desert goby Chlamydogobius eremius 6 cm (2.4 in)
Dragon goby, Violet goby
Gobioides broussonnetii
 55 cm (22 in)
Empire gudgeon Hypseleotris compressa 12 cm (4.7 in)
Purple sleeper gudgeon Mogurnda mogurnda 20 cm (7.9 in)
Peacock gudgeon, Peacock goby
Tateurndina ocellicauda
 7.5 cm (3.0 in) A little territorial with its own kind but is suitable for many communities of small, peaceful fish. Ideal tankmates are other species from Papua New Guinea, such as Popondetta sp. rainbowfishes; but tetras, rasboras, Corydoras cats and virtually any other small peaceful species are also suitable.[64] 40 L (11 U.S. gal)[64] 22–26 °C (72–79 °F)[64] 6.5 7.5 pH[64]
Striped sleeper goby Dormitator maculatus 70 cm (28 in)

Other fish

Common name Scientific name Image Size Remarks Tank size Temperature range pH range
West African lungfish
Protopterus annectens
 100 cm (39 in)
Spotted lungfish
Protopterus dolloi
 130 cm (51 in)
South American lungfish
Lepidosiren paradoxa
 125 cm (49 in)
Australian lungfish
Neoceratodus forsteri
 150 cm (59 in)
Ocellate river stingray
Potamotrygon motoro
 50 cm (19.5 in) has venomous barbs that contain a protein based poison, if you happen to accidentally get stung you should submerge the wound in as hot as water as you can as this breaks down the protein[65]
Black devil stingray
Potamotrygon leopoldi
 111 cm (43.5 in) see above
Marbled whipray
Fluvitrygon oxyrhynchus
 36 cm (14 in) see above
Gray bichir, Senegal bichir, or dinosaur bichir Polypterus senegalus 70.0 cm (27.6 in) maximum length[66]40.0 centimetres (15.7 in) in captivity[67] Peaceful but preys on anything smaller than its mouth[68] 25–28 °C (77–82 °F)[66] 6.0-8.0[66]
Ornate bichir Polypterus ornatipinnis 60 cm (24 in) maximum length[69] Peaceful but preys on anything smaller than its mouth[68] 26–28 °C (79–82 °F)[69] 6.0–8.0
Retropinnis bichir
Polypterus retropinnis
 34.0 cm (13.4 in)[70] Peaceful but preys on anything smaller than its mouth[68] 26–28 °C (79–82 °F) 6.5–7.5
Barred bichir
Polypterus delhezi
 35 cm (14 in) Peaceful but preys on anything smaller than its mouth[68] 24–30 °C (75–86 °F) 6-8
Saddled bichir Polypterus endlicheri 63 cm (25 in)[71] Peaceful but preys on anything smaller than its mouth[68] 22–27 °C (72–81 °F) 6-8
Reedfish
Erpetoichthys calabaricus
 31.4 cm (12.4 in) at maturity, 37 centimetres (15 in) maximum length[72] 22–28 °C (72–82 °F)[72] 6.0–8.0[72]
Sterlet
Acipenser ruthenus
 125 cm (49 in)
Shovelnose Sturgeon
Scaphirhynchus platorynchus
American paddlefish
Polyodon spathula
 150 cm (59 in)
Bowfin
Amia calva
 109 cm (43 in)
Spotted Gar
Lepisosteus oculatus
 70 cm (27.5 in)
Longnose Gar
Lepisosteus osseus
 200 cm (78.5 in)
Florida Gar
Lepisosteus platyrhincus
 70 cm (27.5 in)
Alligator Gar
Atractosteus spatula
 300 cm (118 in)
Cuban Gar
Atractosteus tristoechus
 200 cm (78.5 in)
Tropical Gar
Atractosteus tropicus
 150 cm (59 in)
Blunt-jawed elephantnose
Campylomormyrus tamandua
 40 cm (16 in)
Peters' elephant nose
Gnathonemus petersii
 22.5 cm (8.9 in)
African butterflyfish
Pantodon buchholzi
 12 cm (4.7 in)
Aba aba
Gymnarchus niloticus
 120 cm (47 in)
Reticulated knifefish Papyrocranus afer 80 cm (31 in)
African brown knifefish
Xenomystus nigri
 30 cm (12 in)
Royal knifefish
Chitala blanci
 120 cm (47 in)
Clown knifefish
Chitala ornata
 100 cm (39 in)
Asian arowana
Scleropages formosus
 90 cm (35 in) Preys on anything smaller than its mouth.[73]
Gulf saratoga Scleropages jardinii 90 cm (35 in)
Southern saratoga
Scleropages leichardti
 90 cm (35 in)
Silver arowana
Osteoglossum bicirrhosum
 90 cm (35 in) Preys on anything smaller than its mouth.[73]
Black arowana
Osteoglossum ferreirai
 90 cm (35 in) Preys on anything smaller than its mouth.[73]
Pirarucu Arapaima gigas 200 cm (79 in)
African arowana
Heterotis niloticus
 100 cm (39 in)
Freshwater moray Gymnothorax polyuranodon 150 cm (59 in)
Hingemouth
Phractolaemus ansorgii
 25 cm (9.8 in)
Black ghost knifefish
Apteronotus albifrons
 50 cm (19.5 in) Not to be confused with the featherback "knifefish" of the Bonytongue group (see above) 23-28C (73-82F) 6.0-8.0
Brown ghost knifefish
Apteronotus leptorhynchus
 27 cm (10.5 in)
Glass knifefish Eigenmannia virescens 44 cm (17.5 in)
Electric eel Electrophorus electricus 200 cm (78.5 in)
Northern pike
Esox lucius
 150 cm (59 in)
Humphead glassfish Parambassis pulcinella 8 cm (3.1 in)
Indian glassy fish Parambassis ranga 8 cm (3.1 in)
Gymnochanda filamentosa 3.8 cm (1.5 in)
Mouth almighty Glossamia aprion 3.8 cm (1.5 in)
Amazon leaffish
Monocirrhus polyacanthus
 8 cm (3.1 in)
African leaffish
Polycentropsis abbreviata
 8 cm (3.1 in)
Nile perch
Lates niloticus
 200 cm (79 in)
Indonesian tigerfish Datnioides microlepis 45 cm (18 in)
Silver tigerfish Datnioides polota 30 cm (12 in)
New Guinea tigerfish Datnioides campbelli 32 cm (13 in)
Banded archerfish
Toxotes jaculatrix
 30 cm (12 in)
Seven-spot archerfish Toxotes chatareus 40 cm (16 in)
Spotted scat Scatophagus argus 20 cm (7.9 in)
African scat Scatophagus tetracanthus 30 cm (12 in)
Striped scat, spotbanded scat
Selenotoca multifasciata
 40 cm (15.5 in)
Silver moony Monodactylus argenteus 27 cm (10.5 in)
African moony Monodactylus sebae 25 cm (10 in)
Freshwater pipefish Doryichthys martensii 15 cm (5.9 in)
African freshwater pipefish Enneacampus ansorgii 14 cm (5.5 in)
Zebra blenny Omobranchus zebra 6 cm (2.4 in)
Fire eel
Mastacembelus erythrotaenia
 100 cm (39 in)
Tire track eel
Mastacembelus armatus
 90 cm (35 in)
Peacock eel Macrognathus siamensis 30 cm (12 in) They require clean water and are vulnerable to parasites, fungal diseases, and the copper-based drugs used to treat these conditions.[74] 73-82 °F (23-28 °C)[75] 6.0-8.0[75]
Zebra spiny eel Macrognathus zebrinus 46 cm (18 in)
Half-banded spiny eel Macrognathus circumcinctus 20 cm (7.9 in)
Lesser spiny eel Macrognathus tapirus 38 cm (15 in)
Freshwater needlefish Xenentodon cancila 35 cm (14 in)
Grunting toadfish Allenbatrachus grunniens 30 cm (12 in)
Freshwater sole Achiroides melanorhynchus 14 cm (5.5 in)
Golden puffer Auriglobus modestus 10 cm (3.9 in) See above
Green spotted puffer Dichotomyctere nigroviridis 15 cm (5.9 in) Pufferfish inflating out of water can cause death.[76]
Figure 8 pufferfish Dichotomyctere ocellatus 6 cm (2.4 in)
Humpback Puffer Pao palembangensis 20 cm (7.9 in) See above
Red-tail dwarf puffer Carinotetraodon irrubesco 4.5 cm (1.8 in) See above
Arrowhead puffer Pao suvattii 15 cm (5.9 in)
Hairy pufferfish Pao baileyi 12 cm (4.7 in)
Dwarf pufferfish
Carinotetraodon travancoricus
 2.9 cm (1.1 in) aka Pea Puffer
Fahaka puffer
Tetraodon lineatus
 43 cm (17 in)
Mbu puffer
Tetraodon mbu
 75 cm (30 in) This fish also occurs in estuaries. largest freshwater pufferfish, they are very peaceful with most fish except, other Mbu pufferfish, other fish that will harass them. see above[77]
Congo pufferfish
Tetraodon miurus
 15 cm (5.9 in) as it is a ambush pufferfish it is best to house it alone as it will attack tank mates. see above[78]
Tetraodon schoutedeni 9 cm (3.5 in)
Amazon puffer Colomesus asellus 13 cm (5 in)
Everglades pygmy sunfish Elassoma evergladei 3 cm (1.2 in)
Blackbanded sunfish
Enneacanthus chaetodon
 10 cm (3.9 in)
Freshwater blenny
Salaria fluviatilis
Brook stickleback
Culaea inconstans
Banded darter Etheostoma zonale
Gilt darter
Percina evides
Orangethroat darter
Etheostoma spectabile
Rainbow darter
Etheostoma caeruleum
Splendid darter
Etheostoma barrenense

See also

Sources

Wikimedia Commons has media related to Freshwater aquarium fish.
  • Alderton, D. (2005). Encyclopedia of Aquarium and Pond Fish. Dorling Kindersley.
  • Jennings, G. (2006). 500 Aquarium Fish: A Visual Reference to the Most Popular Species. Firefly Books.
  • Sakurai, A.; Sakamoto, Y.; Mori, F. (1993). Aquarium Fish of the World: The Comprehensive Guide to 650 Species. Chronicle Books.

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