In the Philippines, the tri-spine horseshoe crab has made a home and other species are returning too. A tri-spine horseshoe crab kicks up sediment along the muddy bottom of the Pangatalan Island ...

Out of the four extant horseshoe crab species left on the planet today, only the tri-spine horseshoe crab found along the coast of India, Southeast Asia, China, and Japan, is classified as endangered ...

Despite their name, horseshoe crabs—bizarre, ancient aquatic critters—don’t look like horseshoes and they’re definitely not crabs. They’re arachnids. Just like spiders, scorpions, amblypygids, mites ...

Jesse Lerer, a volunteer, is recording horseshoe crab data on Plumb Beach, Brooklyn. Volunteers record number, sex and other details. Camilla Cerea Horseshoe Crabs in a quadrant. During the count two ...

A new study looking at horseshoe crabs in the Long Island Sound confirms the ancient creatures face potential extinction. The threat stems from climate change, loss of habitat, and overharvesting.

West Sayville, New York — The safety of any new coronavirus vaccine may depend on help from an ancient marine creature. Horseshoe crabs have been helping pharmaceutical companies for decades to keep ...

Blue-blooded and armored with 10 spindly legs, horseshoe crabs have perhaps always seemed a bit out of place. First thought to be closely related to crabs, lobsters and other crustaceans, in 1881 ...

Pharmeceutical companies could soon have easier access to synthetic alternatives to horseshoe crab blood, a key ingredient used to test vaccines and medical devices for contamination. The U.S.