An electrical device on a fishing line repels sharks and rays
It acts as a sort of “antibait”
Longlines, bearing hundreds, sometimes thousands, of baited hooks, catch commercially valuable fish. But they also catch sharks and rays, turtles and birds. This harms ecosystems. And removing the unwanted creatures takes time, can be dangerous, and may damage the gear.
This article appeared in the Science & technology section of the print edition under the headline “Antibait”

From the November 26th 2022 edition
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