Learn more about the courtship songs of male fiddler crabs, which communicate important information about their size and their fitness as mates. Humans love to take liberties when we talk about our ...

While cruising the Texas coast this week during my Beachcombing survey, I came across one of the most entertaining — and ecologically important — residents of our shoreline: the fiddler crab. Easily ...

Sand fiddler crabs that reside in a burrow usually prevail if challenged by another, intruding crab, provided their claw pinching strength is similar to that of the competing crab, a study suggests.

For the first time, a study led by University of Oxford researchers has ‘listened in’ to the fascinating courtship displays of Fiddler crabs using geophones. The findings, published today in the ...

Q. We saw a bunch of baby crabs in the mud along the sound. They were brown and ran off as we approached. What were they? A. These busy little crustaceans are fiddler crabs and are easily spotted at ...

The crabs are part of a larger poleward migration of tropical species driven by warming ocean temperatures. While associated with mangroves, the crabs have expanded beyond the trees' new range into ...