C-O Sole
Pleuronichthys coenosus
- Least concern
- Card rarity: Common
- Fish

The C-O sole is a species of flatfish in the family Pleuronectidae. It is a demersal fish that lives on flat bottoms and rocky areas at depths of between 18 and 350 metres. 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. It can grow up to 36 centimetres (14 in) in length.
Classification
- Class
- Actinopterygii
- Order
- Carangiformes
- Family
- Pleuronectidae
- Genus
- Pleuronichthys