Catfish is a bizarre-looking fish and has a monstrous appearance that does not bear any resemblance. Catfish is from a small family and has 4 species. Catfish has a long gray body with sometimes slightly dark vertical stripes on her flank. Catfish has a large thick round head with a row of impressive large blunt teeth that make it easy to crush crabs, lobsters, shellfish and even sea hedgehogs. Catfish occurs in the waters of the North Atlantic from Canada to Greenland and Iceland. This sample also occurs in the North Sea to Norway. Catfish swims to a depth of 500 m and can reach a length of 150 cm with a weight of 20 kg.