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 makes a hermit crab more bold? Hairy claws. The crustaceans use the sensory organs to determine if the coast is clear. Laura Baisas Jul 3, 2025 9:00 AM EDT ...

In fiddler crabs, large claws can pinch harder than small ones, despite having proportionally less muscle. It remains to be seen whether oversized claws come with any trade-offs for the snapping ...

Share News in Science Female crabs 'exchange sex for protection' Wednesday, 4 November 2009 Anna Salleh ABC Male fiddler crabs have a giant claw they can use as a weapon (Source: Tanya Detto) ...

Its menu is larger than just coconuts. The coconut crab also eats fruit, nuts, material fallen from trees, carrion and other crabs. In addition, after molting, it eats its own exoskeleton.