Andrew Walmsley / New Zealand Longfin Eels (Anguilla dieffenbachii) group in shallow water. New Zealand, October.

Ole Jorgen Liodden / New Zealand Longfin eel (Anguilla dieffenbachii) in a river on the westcoast of the Southern Island, New Zealand. November.

Ole Jorgen Liodden / New Zealand Longfin eel (Anguilla dieffenbachi) in a river on the westcoast of the Southern Island, New Zealand. November.

Constantinos Petrinos / Comet longfish {Calloplesiops altivelis} Moray eel mimic, Sulawesi, Indonesia

Chris Newbert / Longfin Batfish (Platax teira) juvenile in Tape Seagrass (Enhalus acoroides) 10 feet deep, Solomon Islands

Etienne Littlefair / Longfin eel (Anguilla reinhardtii) at rest, Mary River, Queensland, Australia, July.

Juergen Freund / Speckled longfin eel (Anguilla reinhardtii) and Saw-shelled turtle (Myuchelys latisternum) group. Lake Barrine, Crater Lakes National Park, Wet Tropics of Queensland, Australia.