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🤯 Did You Know (click to read)
Sixgill sharks replace thousands of teeth over their lifetime, as do most sharks.
Sixgill sharks possess distinctive comb-like lower teeth that interlock into a serrated cutting edge, allowing them to slice large chunks from prey much bigger than themselves. This dental design differs from the triangular teeth of many surface sharks.
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💥 Impact (click to read)
The teeth function almost like a meat-carving blade, gripping and cutting through thick tissue in a single motion. In food-scarce depths, maximizing each feeding opportunity is essential.
This specialized dentition reveals how deep-sea predators evolve for efficiency over speed. In darkness, success favors decisive, high-impact feeding rather than prolonged pursuit.
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