Yes. Nobody serves raw crab.
No. While all sea crabs are crustaceans, the human parasites (crab lice, genital hair "crabs") are insects, Phthirus pubis.
They are crabs. They are known as ghost crabs because some have transparent bodies, while others, like the Atlantic ghost crab are yellowish. They can scuttle around at about 10 mph, thus making them...
well yes crabs eat each other.but only when the crab is molting.
A hermit crab is a crab, just like a cat is a cat and a dog is a dog.