You can tell a land hermit crab from a water hermit crab by looking at the claws/arms or legs. If it is a water crab it will be blueish and if land crab it will be pinkish purpleish. If your crab is...
If your crab is has bin living land for any period of time, it's a land crab.If your crab is has bin living in the sea for any period of time, it's a sea crab.(:
Pet smart has them I think petco has theme to. or you can try CL someone may have some to re home. do not give your hermit crabs painted shells if you buy a hermit crab with a painted shell it was...
Scientists have been studying that question for years and still say that so far there is no way to tell with gender the hermit crab is. Also they don't know how to breed a hermit crab in captivity...