Those round shells and long legs give Japanese spider crabs an arachnid-like look, hence their common name. These animals also have spines behind and in front of their short eye stalks.

A captivating new species of arachnid from the late Carboniferous ... resembling the shape of a crab’s shell. These spines, often brightly colored in hues of white, yellow, red, or black ...

Even non-web-spinning crab spiders find it difficult to resist roses because these plants attract so many other insects that ...