Pascal Kobeh / False clown anemonefish (Amphiprion ocellaris) in a magnificent sea anemone (Heteractis magnifica), Sulu sea, Philippines

Alex Mustard / Three Pink anemonefish (Amphiprion perideraion) living in a purple skirted magnificent sea anemone (Heteractis magnifica) on a coral reef, below a small island. Misool, Raja Ampat, West Papua, Indones...

Alex Mustard / Pair of Western clown anemonefish (Amphiprion ocellaris) spawning orange eggs on the rock beneath their Magnificent sea anemone (Heteractis magnifica) home on a coral reef. This photo shows the larger...

Gary Bell/ Oceanwide / Golden Damselfish (Amblyglyphidodon aureus) juvenile among coral, Great Barrier Reef, Australia

Denis-Huot / Clownfish (Amphiprion sp) in anemone home, Philippines.

Nick Hawkins / Sergeant major (Abudefduf sp) schooling in mangroves of Isabela Island, Galapagos.

David Fleetham / Clark's anemonefish (Amphiprion clarkii), pair tending to egg mass placed beside the protection of an anemone. Yap, Micronesia.

Juergen Freund / Shoal of Sergeant majors (Abudefduf saxatilis) with various Wrasses (Labridae) feeding on the Sergeant major fish eggs, Raja Ampat, Indonesia.

Tim Fitzharris / Butterflyfish (Chaetodon sp) and Sergeant Major Damselfish (Abudefduf saxatilis) school, Negros Oriental, Philippines

Tim Fitzharris / Parrotfish (Scaridae), Wrasse (Labridae), and Sergeant Major Damselfish (Abudefduf saxatilis) school, Balicasag Island, Philippines

David Fleetham / Cleaner wrasse (Labroides dimidiatus) swimming alongside Golden damsel (Amblyglyphidodon aureus) looking for parasites, Fiji, Pacific Ocean.

David Fleetham / Clown anemonefish (Amphiprion ocellaris), Philippines.