Crustaceans refer to animals with hard shells, like crabs, lobsters and crayfish. These animals are easily found in streams, in lakes and in the ocean, and they can provide a valuable science lesson for young children. If you have found a dead crustacean and you wish to preserve it for further study, use alcohol to keep the crustacean in good shape.
Our pet crawdad died today and I am going to preserve the lil bugger. Hope I can add the glycerin later, to preserve the beautiful blue color of his legs. :( so sad R.I.P. Joshie
The Effects of Krill. Krill--tiny, shrimp-like animals--are food for many species of whales, seals, birds and fish. Often called a "keystone" species...
