If we became crab-like it would be a slightly horrifying experience, an expert tells us. Crabs molt their entire outer exoskeleton, from their eyes to their gut.
These crustaceans are short-tailed members of the order Decapoda, and, as it happens, decapods occur in all oceans, in fresh water, and on land — with about 10,000 species having been described.
IT is generally recognized that the cuttlebone not only serves the cuttlefish, Sepia officinalis (L.), as a skeleton but also gives it buoyancy. The cuttlebone contains gas spaces which give it a ...