The Kamchatka flounder, Atheresthes evermanni, is a flatfish of the family Pleuronectidae. It is a demersal fish that lives at depths of between 20 metres (66 ft) and 1,200 metres (3,900 ft). Its native habitat is the temperate waters of the northern Pacific. It can grow as long as 100 centimetres (39 in) in length, and can weigh up to 8.5 kilograms (19 lb).