fur seal

:  any of various eared seals that have a double coat with a dense soft underfur and were hunted especially formerly for their desirable pelts:a :  a large seal (Callorhinus ursinus) of the northern Pacific Ocean having its main breeding rookery on Pribilof Island in the Bering Sea —called also northern fur sealb :  any of a genus (Arctocephalus) of seals chiefly of the southern hemisphere —called also southern fur seal