Are you wondering why a spider is on our horseshoe crab Web site? The answer is that horseshoe crabs and spiders are actually close relatives. The horseshoe crab belongs to the large group of invertebrates (animals without backbones) called Arthropods. This group also includes lobsters, crabs, insects, spiders, and scorpions. Even though it looks crab-like, with a hard shell and claws, the horseshoe crab is more closely related to scorpions and spiders than to crabs.
There are eight different fun facts in this Web site. Can you find them? Enjoy your search, and have fun learning more about horseshoe crabs!
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