It is a demersal fish that lives on flat bottoms and rocky areas at depths of between 18 and 350 metres (59 and 1,148 ft).

Its native habitat is the temperate waters of the eastern Pacific, ranging from Sitka, Alaska in the north to San Quintín, Baja California in the south.

[2] The C-O sole is a right-eyed flatfish with large, bulbous eyes located near the tip of the snout.

The upper surface is mottled light to dark brown, with occasional white spots; there is usually a prominent mid-body dark spot with a pale patch behind it.

[2] The diet of the C-O sole consists mainly of zoobenthos polychaetes, bivalves and amphipods.