i think i finally know how my hermit crab died... it was murdered!!! by another hermit crab!!! yesterday i put the empty shell back in the tank... and the murderer tookover the shell!! dumb crab... fight over shells of the same size... haizZ... hope this doesnt happen anymore cos the other 2 crabs still very small dun think they will rouse the murderer's interest... sobzZz...