Places lived: in the sea, especially in parts of cold water. Features: Large living in the community is an arthropod. Length is 5-6 cm. Kinds: two kinds of this family are known. Munite C., C. crangon. Living in Europe's seas and coasts of North America, an arthropod crustaceans from the class. The cylindrical body shape, is a long feeler. Length is 5-6 centimeters. Body consisting of calcium carbonate is covered with armor. The body is jointed. Large yüzgeçims is a fish.