Ocean
Cruising at a depth of up to 1500 meters for the last 80 million years, this deep-sea dweller is considered a living fossil. . It’s mouth is lined with about 300 backward-facing, trident-shaped teeth. The teeth are perfect for not only grasping squid, but luring them. In contrast to the shark’s dark skin, “the bright teeth might serve as almost a lure to bring in prey items that see this light color,” says David A. Ebert, director of the Pacific Shark Research Center. “And by the time they real...
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