Japanese spider crabs migrate to the shallower end of their depth range during mating season, which lasts from January until April. Fertilization is internal, with the male inserting a ...

It is popular along the Pacific seaboard of the United States Spider crabs - popular in France ... adding to pasta or making quick crabcakes. Male crabs tend to have larger claws and more white ...

Spiny spider crabs are a common species in the UK. Frankie Hobro, marine biologist and director of Anglesey Sea Zoo, said a fully grown male could grow up to 50cm (1.6ft) from claw-tip to claw-tip.