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 ...

A fiddler crab is a crab species from the genus Uca. They are native to brackish environments, which are made of part freshwater and part saltwater, all over the world. Fiddler crabs get their name ...

Eleanor has an undergraduate degree in zoology from the University of Reading and a master’s in wildlife documentary production from the University of Salford. Eleanor has an undergraduate degree in ...

David Johnson had been working in the salt marshes of Plum Island, just south of New Hampshire’s border, for about a decade when he spotted an unusual small crustacean descend quickly into a burrow in ...

The male European fiddler crab attracts his mate by performing a courtship dance. New research says that dance isn't just notable for its visuals — it's notable for its vibrations, too. During ...

Dishonesty may be more widespread in the animal kingdom than previously thought. A team of Australian ecologists has discovered that some male fiddler crabs "lie" about their fighting ability by ...

GEORGIA, — Georgia wildlife officials are asking the public for more information after there's been several recent sightings of invasive blue land crabs in coastal Georgia, according to a Facebook ...

The genus Uca (fiddler crabs) includes both estuarine and coastal species, the zoeae of which must travel varying distances to reach the sea. Rapid seaward transport following hatching may be ...

Scientists apparently underestimated the aggression of itty-bitty male fiddler crabs when they deployed a friendly robot version during mating season. In a paper published in the journal Proceedings ...

Wavy Dave the robot crustacean has been showing scientists how male fiddler crabs respond when they see a fellow crab waving. Famous for their enormous claws, the team made Wavy Dave blend in by ...

There's nothing like sharing the love, but officials as far north as North Carolina aren't smiling over the latest invasive species making its way up the East Coast from Florida: blue land crabs.

This story was originally produced by the New Hampshire Bulletin, an independent local newsroom that allows NHPR and other outlets to republish its reporting. David Johnson had been working in the ...