Clownfish in sea anemone. Clownfish or anemonefish are fishes from the subfamily Amphiprioninae in the family Pomacentridae. Thirty species are recognized. In the wild, they all form symbiotic mutualisms with sea anemones. Filmed at Bunaken Island, Sulawesi, Indonesia. Bunaken Island still has almost pristine coral reefs, supporting a rich diversity of marine life.