scabra H. simulans H. stuposa H. taenicola H. tuna H. velasquezii Hillis, L.W. (2001). "The calcareous reef alga Halimeda (Chlorophyta, Byropsidales): a...

algae, called Halimeda taenicola. The shape or texture influences the shape of the nudibranch. When living on broader segments of Halimeda, Elysia tends...