Yes, the smaller the animal, the more likely it will dehydrate. Dehydration kills most hermit crabs.
A Hermit crab can live up to 100 years of age
There is a lady on one of the hermit crab forums who has had her crabs in her possession for over 25 years - so they can live a long time if cared for properly. if you need more information on how to take care of hermit crabs - please see landhermitcrabs.com for all the answers to your questions. This is just one of the many reputable hermit crab forums online.
1 year
it never sheds
Hermit crabs can get up to 1 or 2cm . - Taylor Musgrave ; Myspace mee (:
Actually it doesn't take very long for a hermit crab to smell when it's dead. They will not smell if they just died. About 10-15 mins they will start to smell. You have to put the hermit crab up to your nose in order to smell the rotten fish smell.
Up to 20 years
However long they feel like it
no as long as you take care of it and you are not overcrowding the tank
A long clawed hermit crab protects itself by hiding in it's protective shell or fighting back with its claws, or by putting its body in its hard shell.
Hermit crab species range in size and shape, from species with a carapace only a few millimetres long to Coenobita brevimanus, which can approach the size of a coconut. The shell-less hermit crab Birgus latro (coconut crab) is the world's largest terrestrial invertebrate
i have hermit crabs and normally they will smell or they will just not move for a long time