The horseshoe crab is an ancient marine arthropod known for its horseshoe-shaped carapace. Despite its name, it is not a true crab but is more closely related to spiders and scorpions. It inhabits shallow coastal waters, feeding on mollusks, worms, and other small organisms. Horseshoe crabs are valued for their unique blue blood, used in biomedical research to detect bacterial endotoxins in pharmaceuticals and medical devices.nThese are sharp and may not be suitable for children.nSpecifications:nnThese molts are very delicate. They may be naturally missing the tip of their tail, a pincer, a spine, etc.nnThe photos shown are examples of what your specimen will approximately look like. Each crab is unique and will vary in size, shape, color, etc.nnSome of these specimens have barnacles attached to the exteriornnMeasurements taken from tip to tail