Fixing LED strip lights to the bottom of surfboards could deter attacks by great white sharks, Australian scientists say.
A study conducted in Mossel Bay, South Africa involved towing seal-shaped boards fitted with different configurations of lights behind a boat to see which attracted the most attention.
The researchers from Macquarie University in New South Wales say the lights distorted the silhouette of their "decoys" on the ocean's surface and limited the ability of the great whites to see against the sunlight.
Lights could prove a non-invasive means of shark restraint, unlike nets or drones, they added.
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