Clown fish or anemone fish are fish from the sub-family Amphiprioninae in the family Pomacentridae. Thirty species are recognized.
In the wild, Clown fish all form symbiotic relationship with sea anemones. Depending on species, anemone fish are overall yellow, orange, or a reddish or blackish color, many show white bars or patches. The largest Clown fish can reach a length of 15–16 cm, while the smallest barely achieve 7–8 cm.