Sharks are among the most evolutionarily successful animals on the planet, due in large part to a variety of adaptations that give them a competitive edge in the wild. One of those adaptations is electroreception, which is a keen sensitivity to electrical impulses. Here's how it works: as fish swim around, their movement sends tiny electrical signals through the water. Sharks pick up on those signals as the water passes over a series of jelly-filled pores on their head. The pores, called ampullae de Lorenzini, are an extension of the lateral line system in sharks, which is a sensory organ that stretches down the sides of their bodies. Combined with the lateral line, electroreception allows sharks to snag prey with deadly accuracy, even in murky water.
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