Conger conger is a long, powerful fish with scaleless, smooth skin. They are usually grey-blue or grey-black in colour with a white or pale golden coloured belly. In deeper water they have a light brown back with grey sides and belly. The dorsal, tail and anal fins are fused making a complete fringe around the body. The dorsal fin starts just behind the tip of the pectoral fin and the anal fin terminates midway along the underside of the fish. Conger eels can grow to 2.75 m in length but are more commonly seen at around 2 m long.Conger eels spend their entire life in marine waters. Once they reach maturity, which takes between 5 -15 years, they migrate to deep water in the mid-Atlantic to spawn. Conger conger spawns only once and dies straight after. The larvae drift north eastwards until they reach shallower waters where larval development is completed (Wheeler, 1969). Conger conger could be confused with the common eel Anguilla anguilla. However, the conger eel has pointed pectoral fins, the upper jaw overhangs the lower and the dorsal fin originates from further forward on the body.
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