Pete Oxford / Spotted Scorpionfish (Scorpaena plumieri) camouflaged in rocks near King Angelfish (Holacanthus passer), Tower Island, Galapagos Islands, Ecuador

Claudio Contreras / Giant Manta Ray (Manta birostris) at cleaning station with Clarion Angelfish (Holacanthus clarionensis) San Benedicto Island, Revillagigedo Archipelago Biosphere Reserve (The Socorro Islands), Pacific...

Georgette Douwma / Yellowbar angelfish (Pomacanthus maculosus) swimming over coral reef with soft corals. Egypt, Red Sea.

Georgette Douwma / Emperor angelfish (Pomacanthus imperator) with soft corals and sweepers. Egypt, Red Sea.

Alex Mustard / Grey angelfish (Pomacanthus arcuatus) head portrait, Georgetown, Grand Cayman, Cayman Islands, British West Indies, Caribbean Sea.

Claudio Contreras / French Angelfish (Pomacanthus paru) with a Smallmouth Grunt (Haemulon chrysargyreum) and Blade Fire Coral (Millepora complanata). Cancun National Park, Caribbean Sea, Mexico.

Claudio Contreras / Queen Angelfish (Holacanthus ciliaris) among other coral fish. Cancun National Park, Caribbean Sea, Mexico.

Alex Mustard / Grey angelfish (Pomacanthus arcuatus) portrait, Georgetown, Grand Cayman, Cayman Islands, British West Indies, Caribbean Sea.

Alex Mustard / Rock beauty angelfish (Holacanthus tricolor) pair at dusk performing their courtship dance with the larger male circling the female, Georgetown, Grand Cayman, Cayman Islands, British West Indies. Cari...

Jeff Rotman / Close-up of scales of the Yellowbar Angelfish (Pomacanthus maculosus). Red Sea, Egypt.

Juergen Freund / Detail of Emperor angelfish (Pomacanthus imperator) Bali, Indonesia, Indo-pacific

Juergen Freund / Oceanic sunfish (Mola mola) with bannerfish and angelfish cleaning it. Taken at 42 meters. Nusa Penida, Lesser Sunda Islands, Indonesia,