When in captivity, yes, they have to live in a climate controlled area, and tanks work best for this unless you live in an area where LHC's are common. If you live in that kind of area, the crabs would do best in an outdoor enclosure.
nope! most people own hermit crabs and have them in tanks with sand.
I think that shrimp live with the hermit crabs.
You can buy hermit crabs at stores such as Petco. They have many hermit crabs things to meet your needs.
yes they do live underwater
yes
In captivity, they live 1-2 years.
hermit crabs need to live in 70-80 degree temprature
hermit crabs i guess
hermit crabs live in the intertidal zone
In the wild, land hermit crabs live in jungles, forests, and even gardens in warm areas. Water hermit crabs live in the warm oceans.
in saltwater
Hermit crabs lay eggs in the ocean.