What is an Atlantic horseshoe crab? Atlantic horseshoe crabs may appear alien, but their history as earthlings is pretty impressive. They’ve been around for 450 million years, predating the ...

In place of white blood cells, they have cells known as amebocytes, which are extremely effective at detecting bacterial ...

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 subject of concern is the Limulus polyphemus, commonly known as the Atlantic horseshoe crab, whose blue blood is of great benefit to the medical and pharmaceutical industries. The blood of ...

A big part of that happy story is the return to East Harbor of the Atlantic horseshoe crab, a critically important species that has been in decline. Around 2010, park staff noticed horseshoe crab ...

Four species of the horseshoe crab still exist today - three of which reside in Southeast Asia, and another which can be found along the Atlantic and Gulf coasts, from Maine, USA, to Mexico.