Gary Bell/ Oceanwide / Yellow-banded Snapper (Lutjanus adetii) school, Heron Island, Great Barrier Reef, Queensland, Australia

Gary Bell/ Oceanwide / Yellow-banded Snapper (Lutjanus adetii) and Emperor Red Snapper (Lutjanus sebae), Heron Island, Great Barrier Reef, Queensland, Australia

Georgette Douwma / Yellow tropical reef fish composite image on black background, Falcula butterflyfish (Chaetodon falcula), Yellow boxfish (Ostracion cubicus), Golden butterflyfish (Chaetodon semilarvatus), Red Sea clo...

Georgette Douwma / Yellow tropical reef fish composite image on black background, Sailfin tang (Zebrasoma veliferum) juvenile, Pajama cardinalfish (Sphaeramia nematoptera), Three-spot angelfish (Apolemichthys trimaculat...

Frederique Olivier / Mixed shoal of Gold banded sea perch (Lutjanus carponotatus) and Goldband fusiliers (Pterocaesio chrysozona), Uepi Island, Solomon Islands.