Horse shoe crabs on beach

The humble animal who saves the most human lives

Credit for ‘most lives saved’ must go to the Atlantic horseshoe crab Limulus polyphemus. The American Horseshoe Crab is a unique and valuable marine invertebrate. In 1950, while searching for medical cures, scientists isolated a bright-blue blood a clotting agent, conagulogen, that binds to fungi and endotoxins from the horseshoe crab. Horseshoe crabs do not have haemoglobin in their blood, but instead use hemocyanin to … Continue reading The humble animal who saves the most human lives