no
yes it have back bones
yes spider crabs have mates
They have a shell to protect their back.
Yes, most spider crabs climb, it is their nature. Thank you.
i m pretty sure the spider crabs relatives are other crabs
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.
Spider Bones has 320 pages.
The ISBN of Spider Bones is 978-1439102398.