Chaetodon andamanensis

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Chaetodon andamanensis

Data Deficient  (IUCN 3.1)[1]
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Perciformes
Family: Chaetodontidae
Genus: Chaetodon
Subgenus: Chaetodon (Tetrachaetodon)
Species:
C. andamanensis
Binomial name
Chaetodon andamanensis

Chaetodon andamanensis, commonly known as the Andaman butterflyfish, is a species of marine

Chaetodontidae
. It is native to the Indian Ocean.

Description

Chaetodon andamanensis is an overall bright yellow colour apart from a black band which runs from the top of the head and through the eyes, and a black

ocellus on the caudal peduncle.[2] The dorsal fin contains 1:4 spines and 18 soft rays while the anal fin has 4 spines and 16-18 soft rays. This species attains a maximum total length of 15 centimetres (5.9 in)}.[3]

Distribution

Chaetodon andamanensis is found in the eastern Indian Ocean where it has been recorded from Sri Lanka, southwestern India, the Andaman Islands, the Nicobar Islands, the Maldives; the Mergui Archipelago in Myanmar, the Similan Islands of Thailand and Weh Island off northwestern Sumatra in Indonesia.[1]

Habitat and biology

Chaetodon andamanensis is found in rock or coral reef habitats close to the shoreline or on the outer slopes. They can be solitary but are typically encountered in pairs or small aggregations. Their diet is mostly coral polyps. It is an oviparous species which forms pairs for breeding.[3] it is thought that this species is a slow breeding fish which must have live branching coral to reproduce. They are found at depths between 1 and 10 metres (3.3 and 32.8 ft).[1]

Systematics

Chaetodon andamanensis was first formally described in 1999 by Rudie Kuiter and Helmut Debelius with the type locality given as

morph of Chaetodon plebeius.[2]

Like the other butterflyfishes with angular yellow bodies with black eyestripes and a single differently-colored patch, it belongs in the

basal living species. If Chaetodon is split up, this subgenus would be placed in Megaprotodon.[5][6]

References

  1. ^
    doi:10.2305/IUCN.UK.2010-4.RLTS.T165707A6097352.en
    . Retrieved 19 November 2021.
  2. ^ a b "Chaetodon andamanensis". Saltcorner. Bob Goemans. 2012. Retrieved 11 December 2020.
  3. ^ a b Froese, Rainer; Pauly, Daniel (eds.) (2019). "Chaetodon andamanensis" in FishBase. December 2019 version.
  4. ^ Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Species in the genus Chaetodon". Catalog of Fishes. California Academy of Sciences. Retrieved 11 December 2020.
  5. doi:10.1016/j.ympev.2007.05.018
    .
  6. ^ Hsu, Kui-Ching; Chen, Jeng-Ping & Shao, Kwang-Tsao (2007). "Molecular phylogeny of Chaetodon (Teleostei: Chaetodontidae) in the Indo-West Pacific: evolution in geminate species pairs and species groups" (PDF). Raffles Bulletin of Zoology Supplement. 14: 77–86. Archived from the original (PDF) on 2007-08-11. Retrieved 2020-12-10.
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