The animals are drained of some of their blood and returned into the natural environment, but several die from the bleeding. “The purpose would be to give the crabs which can be bled a far better possibility of surviving and contributing towards the ecosystem after they are unveiled,” she claimed. https://horseshoe-crab-blood-for62738.bloggerswise.com/37032356/the-definitive-guide-to-copper-blood-horseshoe-crab