Rock cod are yellow-grey to red-brown with white fin margins.They have chin barbel. They may grow up to 24 inches in length. They are found in caves in bays and coastal areas. They are frequently found inshore and inhabit shallow waters in the continental shelf with typical depth of 30 – 300 feet.
This fish has a large head and it’s length is up to 4 feet. It is recognized by its single long dorsal fin, large mouth and large teeth. The color is variable, bold, darker, mottling on many shades of brown, gray or green on back sides depending on environment. Some of the smaller individuals are strongly green with the colour permeating the flesh. Lingcod prefer habitat such as rock piles in 40 – 300 feet in depth.