BURBOT or (Lots iota), the only freshwater fish of the cod family. It is elongate, with long dorsal and anal fins meeting the rounded caudal ; the head is broad and flat, the mouth wide; the body is spotted or marbled with brown or black.
It inhabits Europe, Siberia, Alaska and Canada; in England it is found in east coast rivers from Durham to Norfolk. In Alaska it grows to 6o lb. It is a voracious fish, and most active at night.