Their hard shells help protect them from predators.
Crabs are not in the habit of attacking, but will defend themselves with a pair of slicing and crushing claws.
Crabs have adapted to have armor to protect their body. Many species also have claws, in order to defend themselves.
yes spider crabs have mates
Yes, most spider crabs climb, it is their nature. Thank you.
i m pretty sure the spider crabs relatives are other crabs
barracudas do eat spider and rock crabs
no
Spider crabs reproduce sexually, the same as normal crabs
what is a japanese spider crabs movement
Mostly asian shore crabs, Mud crabs,Rock crabs, Donut Crabs and Spider Crabs. I believe there are no freshwater varieties.
spider
Crabs do not have backbones - they are invertebrates.