Idotea linearisIdotea linearis is a species of elongated isopod crustacean.DescriptionIdotea linearis is a narrow organism, up to seven times longer than wide. Males tend to be larger than females, and can reach in length.Distribution and ecologyThe distribution of Idotea linearis extends from the North Sea south to Morocco and the Mediterranean Sea. It lives below the littoral zone, and can often be seen swimming near sandy shores at low tide.