Biology/Natural History: Species named for the English and American entomologist and malacologist T.D.A. Cockerella. Its anatomy was described in detail early in the century. L. cockerelli have been observed feeding on the bryozoan Hinchsina velata. In Vancouver area, spawning occurs from May to June. The egg string is pale-pink; it spirals tightly and contains only about 6,500 eggs.