Frilled Shark Has 300 Needle-Like Teeth Arranged in 25 Rows

This eel-shaped shark hides 300 backward-pointing teeth.

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The frilled shark is sometimes called a living fossil due to its ancient lineage.

The frilled shark possesses approximately 300 trident-shaped teeth arranged in around 25 rows, creating a cage-like trap for prey such as squid.

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Living at depths typically between 500 and 1,500 meters, it combines serpentine movement with a sudden forward lunge, capturing prey in darkness using a mouth that resembles a prehistoric trap.

Its primitive body plan and extreme dentition reinforce the idea that some deep-sea predators retain anatomical blueprints that appear frozen in evolutionary time yet remain lethally effective.

Source

Natural History Museum

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