Yes. Although they have hard exoskeletons in the front, the back half is soft much like a snail's body. There have been debates whether this animal is a mollusk or arthropod.
yes . a crab is a mollusk . it is an arthropod*Improved- Actually an arthropod and a mollusk are TWO DIFFERENT things. A crab is a mollusk. It has lived on earth for thousands of years leaving...
The animal kingdom crab does not belong to phylum mollusca. Crab belongs to an Animal kingdom under phylum Arthropoda, subphylum, Crustacea, Class Malacostraca, Order Decapoda.