| 11. | The entire body of the horseshoe crab is protected by a hard carapace.
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| 12. | As young horseshoe crabs grow, they move to deeper waters, where molting continues.
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| 13. | The possibly endangered horseshoe crab is also found in this region.
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| 14. | Horseshoe crabs have two large compound eyes on the sides of its head.
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| 15. | Offshore wildlife includes horseshoe crabs, clams, mussels, snails and a multitude of crustaceans.
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| 16. | Horseshoe crabs have been around since before dinosaurs roamed the Earth.
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| 17. | Terns are nesting somewhere along the waterfront, and horseshoe crabs mate on the beach.
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| 18. | A protein from horseshoe crab blood is also under investigation as a novel antibiotic.
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| 19. | Mangrove horseshoe crabs in Singapore breed from August to April.
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| 20. | Estimating the total population of horseshoe crabs has proven difficult.
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