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...

Georgette Douwma / Giant moray eel (Gymnothorax javanicus) Andaman Sea, Thailand

Brent Hedges / Giant moray eel with Cleaner wrasse fish{Gymnothorax javanicus} Papua New Guinea

Georgette Douwma / Giant moray eel with Cleaner wrasse {Gymnothorax javanicus} Red Sea

Alex Mustard / Giant moray (Gymnothorax javanicus), Honeycomb moray (Gymnothorax favagineus) and Undulated moray (Gymnothorax undulatus) eels, four emerging from hole in coral reef. North Male Atoll, Maldives. India...

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.

Georgette Douwma / Giant moray eel (Gymnothorax javaniucus) hunting over coral reef, Red Sea, Egypt. January.

Bertie Gregory / Giant moray eel (Gymnothorax javanicus) opening its mouth to breathe, at night on the barge wreck, Gubal Island, northern Red Sea.

Bertie Gregory / Pair of giant moray eels (Gymnothorax javanicus) in a cave, Gubal Island, northern Red Sea.

Bertie Gregory / Giant moray eel (Gymnothorax javanicus) opening its mouth to breathe, at night on the barge wreck, Gubal Island, northern Red Sea.

Tony Wu / Giant moray eel (Gymnothorax javanicus) being cleaned by Scarlet cleaner shrimp (Lysmata amboinensis) Ambon, Indonesia

Tony Wu / Giant moray eel (Gymnothorax javanicus) being cleaned by Scarlet cleaner shrimp (Lysmata amboinensis) Ambon, Indonesia