Horseshoe Crab in Massachusetts

Horseshoe Crab in Stage Harbor, Massachusetts
Luke Robinson/Creative Commons via Flickr

A small horseshoe crab (Limulus polyphemus) rests on seaweed in Stage Harbor, Massachusetts. Atlantic horseshoe crabs can be found along the coast of North America from the Yucatán Peninsula to Maine. Read more about how the copper-based blue blood of horseshoe crabs has helped the medical industry

Tags: Seaweed