Fish hotspots in Western Australian waters

What is it about?

We analysed a historical database of commercial fishing records to map where large fish like tunas and marlins are likely to be found in the vast ocean surrounding the state of Western Australia. We show for the first time that submarine canyons are important habitats for these animals on a continental scale.

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Why is it important?

Knowing where animals are located in the ocean is critical to support effective species management. Our analysis shows that submarine canyons are important habitats for large fishes, and that the vast majority of fish hotspots fall outside the national network of Australian Marine Parks, therefore receiving little protection from human threats. Our study provides a template for improving and targeting marine wildlife conservation efforts in Australia.

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