What is an Atlantic horseshoe crab? Atlantic horseshoe crabs may appear ... They’re in the class Merostomata, which means “legs attached to the mouth” because their mouths are literally ...

The horseshoe crab’s carapace hides 12 appendages. One pair, called the chelicerae, is used to push food, such as small invertebrates or algae, into its mouth. The other five pairs are used for ...

Their vision is enhanced by seven additional simpler eyes. Five are located on the surface of the carapace, and two are underneath, by the mouth. These two may help the horseshoe crab orientate when ...

Laurent Ballesta's horseshoe crab wins the grand prize - and the WPY Portfolio Award A picture of a mysterious and other-worldly horseshoe crab has earned Laurent Ballesta the title of Wildlife ...