Different species of crab can be found all over the world.
they live on the seashore
Crabs are usually marine creatures, they occure mainly in oceans although some have become terrestrial (land crabs) whis then live in reasonable proximity to oceans.
Yes
It lives in the coral reef.
No they live in other parts of water in the world.
Hermies live in the Caribbean and some parts of Florida.
yes in the upper part though
Land Crabs live on land and Marine crabs live in water.
hermit crabs live in the intertidal zone
no , crabs live in fresh water
hermit crabs i guess
Mostly asian shore crabs, Mud crabs,Rock crabs, Donut Crabs and Spider Crabs. I believe there are no freshwater varieties.