World Wildlife Fund Australia has bought a commercial shark fishing licence for $100,000 in a move to protect sharks in the Great Barrier Reef Marine Park and beyond.
The Queensland Government allocates five licences that allow a 1.2 kilometre net to trawl for sharks and other by-catch.
WWF Australia conservation director Gilly Llewellyn said: "It's a new approach to conservation.
"This is an opportunity for people to help stop a massive 1.2km long net from sitting in reef waters and indiscriminately killing almost everything that swims into it.