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What are barbels on a shark?

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What are barbels on a shark?

Whisker-like organs that dangle from the sides of the mouth of some sharks have electromagnetic sensitivity allowing sharks to detect prey and gauge important facts about water quality and possible nearby threats.

All About Sharks: A Complete Guide to the World's Most Misunderstood Predator by Blaise Jones
All About Sharks: A Complete Guide to the World’s Most Misunderstood Predator by Blaise Jones

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