The world's biggest horseshoe crab lives in Blanchester, Ohio. Sadly, it is not real, but it is amazing! Read more about it on Roadside America.
This is a photo of an actual horseshoe crab that I took in Sandy Hook, NJ. Take a close look at the photo. You'll see a fishing hook stuck in its mouth and blue blood amongst its legs. That's right, horseshoe crabs have copper-rich blue blood.



