How does your shore end up with 30 million horseshoe crabs? There are only two possible ways. The first is that your city is overrun by them in a horror movie. (Maybe because they flew there.) The ...

A robot crab called "Wavy Dave" has helped scientists learn about crab mating behaviors. Male fiddler crabs have one oversized claw, which they use to attract females by standing outside their burrow ...

TAMPA, Fla. — Don't be alarmed if you see two horseshoe crabs latching onto each other and walking toward the shore. It's just their ancient mating ritual. Although horseshoe crabs mate year-round, ...

This article was originally featured on Hakai Magazine, an online publication about science and society in coastal ecosystems. Read more stories like this at hakaimagazine.com. The constant thrum of ...

Horseshoe crabs will soon begin their shameless ritual of fornicating on Florida beaches, and the Florida Fish and Wildlife Conservation Commission wants you to document all of it. Every spring, like ...

Seen any horseshoe crabs having sex lately? Florida biologists want you to report it. The “living fossils” are entering peak mating season, and you can assist Florida Fish and Wildlife Conservation ...

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

Columbus crabs (Planes minutus) are tiny and can’t swim very far, but they manage to get around—in more ways than one. They make their homes on anything that floats—logs, ship hulls, plastic junk, and ...