Crustaceans are members of the sub-phylum Crustacea, a large group of arthropods (55,000 species). They include various familiar animals, such as lobsters, crabs, shrimp and barnacles. They are variously found in marine and freshwater, with a few terrestrial members (such as woodlice).

Subcategories

This category has the following 19 subcategories, out of 19 total.