What Is Horseshoe Crab Blood Called?

Limulus Amebocyte Lysate. Horseshoe crabs are also extremely important to the biomedical industry because their unique, copper-based blue blood contains a substance called “Limulus Amebocyte Lysate“, or “LAL”. What color is horseshoe crab blood and why? A horseshoe crab’s blood has a blue to blue-green color when exposed to the Read more…