Crabs do not have testicles inside their shell; instead, they have external reproductive organs. Male crabs possess a pair of gonads, which produce sperm, located in their body but not enclosed within the shell. The shell serves primarily as a protective exoskeleton and does not contain reproductive organs.
because they have 2 legs inside their shell to hold on to the shell
No hermit crabs inspect a new shell inside of their cage the they pull them self out of the shell and then drop them self into a new shell. there are videos on youtube.com of crabs changing shells. so provide your crab with extra shells. i am a hermit crab owner i have watched my crabs change shells it is called molting.
Hermit crabs do not care much for the color of the shell, however, they prefer shells with a pearl lining inside. Ecuadorian hermit crabs are very picky for their shells though! Try to get the same shape and colour of shell for these ones.
An exoskeleton is a boney outer shell (crabs, lobster) as apposed to an endoskeleton which is having the bones on the inside.
A hermit crabs abdoman is long and soft. They insert it into the shell, and wrap it around the inside. They can change out of it any time they want.
Soft shell crabs are soft and are eaten with the entire crab. Soft shell crabs are actually hard shell crabs that have shed their shells to allow for growth. Shells do not grow with the crab. Crabs retain a soft shell when they shed their hard shells; then that soft shells begins to harden-up as the crab grows.
Soft shell crabs are in season May through July.
Crabs have no inner skeleton like humans do so the shell is its skeleton but on the outside of its body. The shell protects the crab from injury.
some crabs, like hermit crabs
The scalps of Cowboy Ocean shell crabs who try to invade their territory.
They aren't; they need a shell.
break the shell just kiddin