New gadget could reduce shark bycatch by 90%
by Anna Turns from Environment | The Guardian on (#6620G)
Trials of the SharkGuard - which emits a pulse to repel sharks and rays from fishing gear - have produced eye-catching results
Marine scientists have designed a piece of technology that could drastically reduce shark bycatch by emitting short electrical pulses as a deterrent.
The small battery-powered device, known as SharkGuard, reduced the numbers of blue sharks accidentally caught by commercial fishing gear in a French longline tuna fishery in the Mediterranean by 91% and stingrays by 71%, according to a study in the peer-reviewed journal Current Biology.
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