Blue Blood | why horseshoe crab blood is so expensive | horseshoe crabs ...

Why do we harvest horseshoe crab blood? Facts: the horseshoe crab. Horseshoe crab numbers have been in decline in recent years stemming from a variety of factors including over-harvesting for bait and loss of habitat. Fun Horseshoe Crab Facts Did you know that horseshoe crabs have blue blood. Needless to say, I had to share some horseshoe crab facts and fictions.