Gary Bell/ Oceanwide / Painted Sweetlips (Diagramma pictum) in Slender Cardinalfish (Rhabdamia gracilis) school, Great Barrier Reef, Australia

Gary Bell/ Oceanwide / Painted Sweetlips (Diagramma pictum) in Slender Cardinalfish (Rhabdamia gracilis) school near Double-headed Maori Wrasse (Cheilinus undulatus), Great Barrier Reef, Australia

Gary Bell/ Oceanwide / Double-headed Maori Wrasse (Cheilinus undulatus), Painted Sweetlips (Diagramma pictum), and Slender Cardinalfish (Rhabdamia gracilis) school, Great Barrier Reef, Queensland, Australia

Alex Mustard / Ribbon sweetlips (Plectorhinchus polytaenia) USAT Liberty Wreck, Tulamben, Bali, Indonesia. Java Sea

Pete Oxford / Peruvian Grunt (Anisotremus scapularis) school, Galapagos Islands, Ecuador

Fred Bavendam / Oriental Sweetlips (Plectorhinchus vittatus) at cleaning station awaiting cleaner fish, Bali, Indonesia

Claudio Contreras / Porkfish (Anisotremus virginicus) school. Cancun National Park, Caribbean Sea, Mexico.

Alex Mustard / Bluestriped grunt (Haemulon sciurus) portrait, West End, Grand Cayman, Cayman Islands, British West Indies, Caribbean Sea.

Pete Oxford / Shoal of Yellowtail Grunts (Anisotremus interruptus) Floreana Island, Galapagos, Equador, Pacific ocean

Claudio Contreras / Shoal of Smallmouth grunts (Haemulon chrysargyreum) surrounding Blade firecoral (Millepora complanata) Cancun National Park, Caribbean Sea, Mexico, September

Doug Perrine / Giant brain coral provides shelter for Grunts and Squirrelfish, Florida Keys, USA.

Doug Perrine / Diver and Grunts in airplane wreck, Cozumel, Mexico