Tony Wu / Twinspot snapper (Lutjanus bohar) shoal rushing up to spawn, releasing a cloud of milky white sperm and eggs in the water column. Caroline Islands, Palau, November.

Tony Wu / Twinspot snapper (Lutjanus bohar) engaged in a mass spawning aggregation early in the morning. Caroline Islands, Palau. April. Winner of Underwater category, Wildlife Photographer of the Year 2016.

Alex Mustard / Schoolmaster snapper (Lutjanus apodus) school, under a coral ledge, Snapper Hole, East End, Grand Cayman, Cayman Islands, Caribbean Sea.

Alex Mustard / Schoolmaster snapper (Lutjanus apodus) above a coral reef, Georgetown, Grand Cayman, Cayman Islands, British West Indies, Caribbean Sea.

Juergen Freund / Midnight snapper (Macolor macularis) juvenile swimming towards the camera. Misool, Raja Ampat, West Papua, Indonesia

Jeff Rotman / Shark handler wearing chain mail suit feeding Caribbean Reef shark (Carcharhinus perezi) Bahamas, Caribbean Sea. Model release Model released.

Juergen Freund / A school of Bigeye Snapper {Lutjanus lutjanus} Indo-pacific

Juergen Freund / A school of Bigeye snapper {Lutjanus lutjanus} Indo-pacific

Georgette Douwma / Shoal of Bohar / Twinspot snapper {Lutjanus bohar} Ras Mohammed, Red Sea, Egypt

Jeff Rotman / Caribbean reef shark {Carcharhinus perezi} and Yellowtail snapper fish (Ocyurus chrysurus) Bahamas

Alex Mustard / Reef manta (Mobula alfredi) visiting a cleaning station on a coral reef with a school of Onespot snappers (Lutjanus monostigma), Oriental sweetlips (Plectorhinchus vittatus) and Sabre squirrelfish (Sa...

Shane Gross / Caribbean reef shark (Carcharhinus perezi) patrolling coral reef with Schoolmaster snapper (Lutjanus apodus) and other fish. Caribbean Sea off Gardens of the Queen National Park, Cuba.