Eels & garden eels

From conger eels lurking in wreck compartments to garden eels swaying in sandy colonies, this group offers variety at every depth. Garden eel fields are hypnotic — approach low and slow, or they'll vanish into the sand.

Last updated April 2026

European congerConger conger3 photos

Least ConcernUp to 250 cm550mRocky reefCaveWreck

A massive, powerful eel — uniform grey to dark brown, with a large head and wide mouth. Much bigger and heavier-bodied than a moray, reaching over 2 meters.

Found in caves, wrecks, and deep crevices with just its head protruding — often shares shelter with lobsters and other cave dwellers.

European conger

© Jouni Kuisma

European conger

© Jouni Kuisma

European conger

© Jouni Kuisma

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