Cleisthenes pinetorum  Cleisthenes pinetorum is a flatfish of the family Pleuronectidae. It is a demersal fish that lives on sublittoral sand and mud bottoms at depths of between . Its native habitat is the temperate waters of the northwest Pacific, around Japan, Korea and Taiwan. Both species in the genus Cleisthenes - "Cleisthenes pinetorum" and "Cleisthenes herzensteini" - are commonly known as Sôhachi in Japan.