yes i use to have one and we kept him in a tiny plastic cage but no netting on the edge make sure its safe though it probably depends on the crab. If it is a small crab you could put it in a plastick cage, but when it gets older and bigger you might want to change it. good luck!!
Yes, hermit crabs can be kept as pets. You can get the cages in about every store along the beach. One warning though; they really stink!.
A lot
No, Hermit Crabs are omnivores.
No they grow out of their shells and find a new one.
If you go to PET-SMART they have Hermit Crabs for sale, for atleast $5 to $6 (This DOES NOT include, their cages, food, and an additional shell)
fish and bigger hermit crabs
Yes hermit crabs have antennas.
No hermit crabs are small and friendly
yes
Hermit crabs use meiosis to reproduce
no i had hermit crabs and had salt it didn't hurt them
sea birds, fish, octopuses, crabs, and other hermit crabs