A robot crab called “Wavy Dave” has helped scientists learn about crab mating behaviours. Male fiddler crabs have one oversized claw – which they use to attract females by standing outside their ...

If you have ever looked closely into a rockpool along the UK coastline, you may have been lucky enough to find a tiny hermit crab scuttling about. What you might not realise is that hermit crabs are ...

The study also points to environmental conditions as another factor behind the evolutionary success of crabs. The researchers ...

Colour-changing crabs struggle to camouflage themselves when exposed to noise from ships, new research shows. Shore crabs - the most common on UK shores - can change colour to match their surroundings ...

A strange kind of “art show” appears with every low tide across the sandy shores of the Indo-Pacific and Australia — only to vanish just a few hours later. The artists? Sand bubbler crabs. Less than ...