David Fleetham / Diver photographing Anemonefish (Amphiprion percula) and their anemone. Wakatobi, Indonesia.

David Fleetham / Clown anemonefish (Amphiprion percula), in anemone (Heteractis magnifica) Indonesia.

Bert Willaert / Clown anemonefish (Amphiprion percula) in anemone, Kimbe Bay, West New Britain, Papua New Guinea

Bert Willaert / Clown anemonefish (Amphiprion percula) in anemone, Kimbe Bay, West New Britain, Papua New Guinea

Bert Willaert / Clown anemonefish (Amphiprion percula), Bismarck Sea, Vitu Islands, West New Britain, Papua New Guinea

Pete Oxford / Blackfinned Clownfish (Amphiprion percula) bagged for pet trade, Biak Island, West Papua, Indonesia

Juergen Freund / True clownfish / clown anemonefish (Amphiprion percula) amongst anemone tentacles, Papua New Guinea.

Juergen Freund / Clown anemonefish (Amphiprion percula) in a large anemone resting on mangrove roots, West Papua, Indonesia.

Juergen Freund / Clown anemonefish (Amphiprion percula) amongst tentacles of bleached coral, Komodo NP, Indonesia, Indo-pacific.

Juergen Freund / Eggs of true clownfish (Amphiprion percula) with developing fish visible inside. Misool, Raja Ampat, West Papua, Indonesia.

Juergen Freund / True clownfish / Clown anemonefish (Amphiprion percula) tending their eggs, half-concealed in the tentacles of their host anemone. Misool, Raja Ampat, West Papua, Indonesia.

Juergen Freund / True clownfish / Clown anemonefish (Amphiprion percula) tending their eggs. Misool, Raja Ampat, West Papua, Indonesia.