The Biology of Mysidopsis Gibbosa, M. Didelphys and M. Angusta [Crustacea, Mysidacea]

Abstract

Only three of the twenty species at present ascribed to the genus Mysidopsis have been recorded around the coasts of Britain; these are M. gibbosa G. O. Sars, M. didelphys Norman and M. angusta G. O. Sars. The latter species is rare and has never been caught in large numbers. Large catches of M. gibbosa are made in certain sandy bays in the Firth of Clyde and the species is quite common in Gaineamh Smuagh, a sandy bay in Loch Ewe, Wester Ross (Mauchline, 1965 a). The largest species, M. didelphys, occurs at greater depths than the other two and, like M. gibbosa, is often common in certain areas, especially in the deep troughs of the Firth of Clyde and in some of the west coast lochs of Scotland, for example the upper part of Loch Etive.