WOW!
- Even though horseshoe crabs may look like crabs and lobsters but they're not categorized with the crabs and lobsters but they are labeled with the spiders and the scorpions.
- Their nickname is the "Living Fossils" because there has been fossils found of their ancestors. And they date back to almost 450 million years ago. That's 200 million years before dinosaurs were even alive..!
- They can swim upside down.
- They also sleep upside down.