yes
A Hermit crab can live up to 100 years of age
They cannot live with a land hermit crab because land hermit crabs live out of water so the fish would die (as you know) if it is out of water.
yes they sure can
three days
The land hermit crab has a big claw and a small claw. The ocean hermit crab's claw's are the same size.
No.
Yes
Hermit crabs live on land, for they only need water to drink, not to live on/in.
They livde to gether because the shell is a home for the hermit crab!
Get it a bigger shell, and he'll leave the old one to live in the new one...
No, they live together in large groups of even hundreds searching for food.