North Island Explorer: Guide to North Vancouver Island



Sea Mouse or Shag-rug Nudibranch





































Shag-rug Nudibranch: Aeolidia papillosa


Photo 1: Shag-rug nudibranch on sandy bottom.


 Shag-rug nudibranch: Aeolidia papillosa

Common names: sea mouse, grey sea slug, shaggy mouse nudibranch


This nudibranch has grey cerata (gills) covering its back, giving it its name. It feeds on anemones and, amazingly, stores the stinging cells in its cerata to ward of potential predators.







  More Vancouver Island Marine Life