Reef safe

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Reef safe is a distinction used in the

, will adapt very well to a reef tank and will be problem-free as long as they have sizable tank-mates and no crustaceans. Some aquarists have also had success in keeping smaller fish with predatory ones in reef tanks by adding the smaller fish at night, sometimes with newly rearranged rockwork.

Reef safe

Fish

Anthias

Basslets

Blennies

Excludes fang blennies. A few species will nip at polyps and giant clam mantles.

Cardinalfish

Chromis

Clownfish

Excludes the maroon clown which can grow very aggressive and territorial.

Damsels

Excludes larger, more aggressive Dascyllus varieties.

Dwarf angelfish

Dwarf angelfish in a reef setting has been heavily debated.

Dottybacks

They may consume small shrimp and can be highly aggressive.

Dragonets

Foxface

Foxface and rabbitfish will occasionally eat certain corals if underfed.

Gobies

Jawfish

Pipefish

They can be killed by stinging corals and anemones.

Pseudochromis

They may consume small shrimp and can be highly aggressive.

Seahorses

They can be killed by stinging corals and anemones.

Tangs

Wrasse

There are both reef safe wrasses and ones that are notorious for killing small fish and invertebrates.

Planktivorous Triggerfish

With caution.

Melichthys spp.

Xanthichthys spp.

Odonus

spp.

Invertebrates

Corals (Class Anthozoa)

There are aggressive types of coral which have sweeper tentacles that can burn other corals. These may require specific placement in an aquarium.

Crabs

Specifically small hermit crabs, anemone crabs, emerald mithrax crabs, and strawberry crabs.

Fan worms

(Suborder Sabellida)

Giant clams

Scallops

Sea anemones (Order Actiniaria)

Anemones, especially

carpet anemones

can eat fish and burn corals to death requiring specific placement for specimens in an aquarium.

Sea cucumbers

Sea fans

Sea slugs

Starfish / Sea stars

There are many starfish which are not reef safe like crown-of-thorns starfish and chocolate chip sea star.

Shrimps

anemone shrimps and blood red fire shrimps are better choices since the commonly available banded coral shrimp can kill fish, and the mantis shrimp

will kill and eat most animals in a tank.

Snails

Some snails are parasitic but are rarely, if ever, offered in the saltwater aquaria trade.

Sponges

Tunicates (sea squirts)

Reef unsafe

Fish

Non-dwarf Angelfish

This includes any of the larger angelfish.

Non-planktivorous Butterflyfish

Eat mainly or exclusively coral polyps

Non-planktivorous Triggerfish

This includes most triggerfish. Most triggerfish are highly aggressive carnivores that will eat many smaller fish and invertebrates in an aquarium. They also grow to be quite large.

Invertebrates

Sea apples

Currently short-lived in aquaria. They release a highly-toxic substance at death, decimating the aquarium.

References

• Beattie, Lynden (2007-04-06). "Have You Overlooked These Fish?, Think twice before crossing these guys off your list". Retrieved 2008-10-09.