Despite being the size of a Post-It note, these tiny fiddler crabs can ingest and break down microplastic particles, ...

Fiddler crabs in Colombian mangroves swallow microplastics, concentrate them, and break them into smaller fragments during ...

SYDNEY — In the world of fiddler crabs, the best form of protection is, apparently, prostitution, according to an Australian study published Wednesday. Researchers from The Australian National ...

A new study published in the journal Global Change Biology has revealed that tiny fiddler crabs-which grow no bigger than ...

Nine years ago, I stood on the muddy banks of the Great Marsh, a salt marsh an hour north of Boston, and pulled a thumb-sized crab with an absurdly large claw out of a burrow. I was looking at a ...

Tourists in Trang were treated to a vibrant view as colourful fiddler crabs emerged from the mangroves at Ban Rai Yong Star.

SYDNEY — In the world of fiddler crabs, the best form of protection is, apparently, prostitution, according to an Australian study published Wednesday. Researchers from the Australian National ...

The fiddler crab has one small claw and one big ol' one. Why? All the better to woo the lady crabs and throw down with the dude crabs. And this big crab's like, No, check yourself. And this other big ...

Male fiddler crabs are lopsided, with one claw that seems about the right size and one very large claw. As you might expect, one function of the larger claw is to attract females. The males drum with ...