Pete Oxford / Whale Shark (Rhincodon typus) close up of spotted skin, with Golden trevally (Gnathanodon speciosus) Cenderawasih Bay, West Papua, Indonesia.

Alex Mustard / Group of predators hunting together, in an example of 'Nuclear foraging'. The Moray eel (Gymnothorax javanicus) flushes out prey, and is followed by a Napolean wrasse (Cheilinus undulatus) and a Bluef...

Juergen Freund / Giant trevally (Caranx ignobilis) chasing shoal of Oxeye Scads (Selar boops) in the house reef of Miniloc Island Resort, El Nido, Palawan, Philippines

Alex Mustard / School of Bludger trevally (Carangoides gymnosthethus) throng over a coral reef, with a giant barrel sponge (Xestospongia muta). Misool, Raja Ampat, West Papua, Indonesia. Misool Marine Protected Area...

Graham Eaton / Giant trevally (Caranx ignobilis) Komandoo Island, Maldives, January

David Fleetham / White ulua (Caranx ignobilis) Molokin Marine Preserve, Maui, Hawaii.

Linda Pitkin / Bluefin trevally (Caranx melampygus) mixed-species foraging and hunting behaviour, with Giant moray (Gymnothorax javanicus). Shark Reef to Jolande, Ras Mohammed National Park, Egypt, Red Sea.

Claudio Contreras / Giant Manta Ray (Manta birostris) and Black Jack (Caranx lugubris), Giant Manta Ray IUCN Vulnerable, San Benedicto Island, Revillagigedo Archipelago Biosphere Reserve (Socorro Islands), Pacific Ocean,...

Claudio Contreras / Giant Manta Ray (Manta birostris) and Black Jack (Caranx lugubris), Giant Manta Ray IUCN Vulnerable, San Benedicto Island, Revillagigedo Archipelago Biosphere Reserve (Socorro Islands), Pacific Ocean,...

Claudio Contreras / Black Jack (Caranx lugubris) near Giant Manta Ray (Manta birostris), tail, IUCN Vulnerable, Socorro Island, Revillagigedo Archipelago Biosphere Reserve (Socorro Islands), Pacific Ocean, Western Mexic...

Pete Oxford / Potato cod (Epinephelus tukula) investigating diver with Blacktip Trevally (Caranx heberi) in background, on baited shark dive. Umkomaas. KwaZulu Natal, South Africa.