When water temperatures rise to 60 degrees and level off after the last cold snaps of winter, the coastline welcomes horseshoe crabs for their annual spawn. From late March until June is when ...

Professor Richard Fortey investigates the reproductive cycle of crabs. The moulting process is where the female sheds her exoskeleton by releasing enzymes that digest the shell and then, through ...

What is a hermit crab? There are over 800 species of hermit crabs worldwide, and almost all are ocean dwellers—though people are likely most familiar with the dozen semi-terrestrial species ...

A Pacific mole crab, or a sandcrab, in an aquarium. You can see the feeding appendages are out feeling for food in the water. PSU researcher Dorothy Horn examined the effects of exposure to ...

Millions of crabs are marching on Cuban roads to get to the Bay of Pigs. The migration happens every year after the first spring rains. The crabs walk from dawn until dusk, causing havoc on the ...

Male crabs of a species named after David Hasselhoff grow bigger claws than females so they can fight each other for a mate, according to a new study. Scientists from the universities of ...

What is an Atlantic horseshoe crab? Atlantic horseshoe crabs may appear alien, but their history as earthlings is pretty impressive. They’ve been around for 450 million years, predating the ...

Professor Richard Fortey investigates the reproductive cycle of crabs. The moulting process is where the female sheds her exoskeleton by releasing enzymes that digest the shell and then, through ...