Horse shoe crabs are not blue, however, their blood is. The blood Clumps around dirt, and scientists use it to test the dirtyness of things such as medicine. The reason their blood is blue is the same reason our blood is red, it just is.
Horseshoe crab's blood is blue.
Horseshoe crab blood is blue because it has copper in it instead of iron like human blood. Our blood is blue inside and turns red when it hits air. Horseshoe crab blood is red inside and turns blue when it hits air. It's the other way around.
horseshoe crab Horse shoe crab, it has no jaws or teeth
horseshoe crab Horse shoe crab, it has no jaws or teeth
Horse Shoe Crab.
yes
horseshoe crab Horse shoe crab, it has no jaws or teeth
Truebreeding
Hatchet fish, Horse Shoe Crab
300 milion years old its a preastoric creature
Hake, haddock, herring, horse shoe crab.
They were coated with the blood of horse shoe crab.