State biologists reassure community members that what appears to be dead crabs littering beaches near Mukilteo are mostly ...

They’re also one of the world’s largest arthropods, animals with no backbone, external skeletons, and multiple-jointed appendages. In this crab’s case, those appendages are its 10 legs.

Horseshoe crabs have saved countless human lives, and now we should return the favor.” Horseshoe crabs are brown, body-armored arthropods with 10 eyes and a long, spiked tail. Despite their ...

Horseshoe crabs are brown, body-armored arthropods with 10 eyes and a long, spiked tail. Despite their intimidating appearance, they are completely harmless to humans. Each spring along the Atlantic ...

The city-run Kasaoka Horseshoe Crab Museum is housed in a building modeled after the brackish water arthropod. According to curator Kojiro Azumakawa, the horseshoe crab has a bowl-shaped smooth ...