Rock sole

The rock sole, also known as the Pacific rock sole or Southern rock sole is a flatfish of the family Pleuronectidae. It is a demersal fish that lives on sand and gravel bottoms at depths of up to 575 metres, though it is most commonly found between 0 and 183 metres . Its native habitat is the temperate waters of the northern Pacific, from Baja California to Alaska, the Aleutian Islands and southeastern parts of the Bering Sea. It grows up to 60 centimetres in length and can weigh up to 1.8 kilograms, and has a maximum recorded lifespan of 22 years.