These qualities have made clown fish (Amphiprion ocellaris) some of the jewels of home aquariums but these flashy bars serve a purpose beyond looking festive. Now a new study in the Journal of ...

Clown anemonefish (Amphiprion ocellaris) photographed in the wild. Photograph of the fish models used in the experiments to determine A ocellaris aggression towards intruder fish Video from ...

Also known as anemonefish, false percula clownfish and common clownfish; scientific name A. ocellaris. Maximum length: 4.3 inches. Wild habitat: Indian Ocean, Pacific Ocean, Great Barrier Reef ...