The roughscale sole (Clidoderma asperrimum) is an edible flatfish of the family Pleuronectidae. It lives on sandy, muddy bottoms at depths from 15 to 1,900 m deep, though it is most commonly found at depths of between 400 and 600 m deep. It can reach 60 cm TL. Its native habitat is the northern Pacific, from the coasts of China and Japan, across the Bering Sea to Alaska, Canada and the Californian coast of America.
