In North America this is a hake. Ling is a long, slender, greenish-brown scaleless fish with a barbel. This is a long, slim member of the cod family. Although they can grow up to 1 meter (3 ft) in length, the average size now is about 30-50 cm (12-30 inches). They are found in temperate and cold waters. During the day they lurk on the bottom, but rise in the evenings to hunt for fish such as herring and mackerel. It is very confusing that the name ling is used to describe what the English call hake. It is the cod's largest relative and can grow to nearly 2 meters (6 ft) in length.