Philippe Clement / Scavenging Carrion crow (Corvus corone) feeding on dead European conger eel (Conger conger) washed ashore on beach along the North Sea coast, Belgium, November.

Pascal Kobeh / Two conger eels (Conger conger) hiding in a hole of a wreck. Vendee, France. Atlantic Ocean.

Alex Mustard / Conger eel (Conger conger) moves across the open seabed at night. Capo Galera, Alghero, Sardinia, Italy. Mediterranean Sea.

Franco Banfi / Conger eel (Conger conger) on Teti wreck, Vis Island, Croatia, Adriatic Sea, Mediterranean

Alex Mustard / 2020VISION / Conger eel (Conger conger) sheltering within the wreck of the Fleur De Lys, Swanage, Dorset, UK, July

Toby Roxburgh / Large European conger eel (Conger conger) at Brixham fish auction, Devon, England, UK, 2009.

SINCLAIR STAMMERS / Conger eel {Conger myriaster} leptocephalus stage amongst plankton, Mediterranean

Jose B. Ruiz / Bandtooth conger {Ariosoma balearicum} Nocturnal species that spends the day buried in sand. Mediterranean.

Jose B. Ruiz / Conger eel {Conger conger} Mediterranean near Atlantic, off Spain

Jose B. Ruiz / Bandtooth conger {Ariosoma balearicum} Nocturnal species that spends the day buried in sand. Mediterranean.

Jose B. Ruiz / Conger eel {Conger conger} Mediterranean near Atlantic, off Spain

Jose B. Ruiz / Bandtooth conger {Ariosoma balearicum} buried in sand, where it rests during the day, nocturnal, Mediterranean.