Mopalia hindsii feeding on the sponge Myxilla incrustans which is growing on the shell of the scallop Chlamys hastata. (Photo by: Dave Cowles, July 2007)
This Tonicella lineata was under a rock, seen in early morning light. Note the variation in plate color compared to above picture. This would conform to the classic Tonicella lineata (see note above) Photographed at San Simeon, CA by Dave Cowles. About 3-4 cm long.