AL.com Reorted first: After a shark bit a man’s knee Saturday on Dauphin Island, AL.com asked Dauphin Island Sea Lab researchers about the behavior of the shark. Researchers say it’s not unusual for a shark to follow a fisherman’s catch towards the shore, but the shark won’t always chomp down on the right subject.
“Anytime a fish swims it emits an electrical impulse the shark can sense,” explained Dr. Marcus Drymon who works at the Dauphin Island Sea Lab and is a research assistant professor at the University of South Alabama.
He said when a fish is hooked, its muscles are twitching faster and the shark recognizes it’s a fish that’s injured or distressed, and it sees it as an easy meal.
Drymon added that the shark can smell the fish and that’s probably one of the most important senses.
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