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  • RESEARCH HIGHLIGHT

Humans push a hulking fish with a chainsaw nose towards oblivion

The strange-looking sawfish, itself a predator, falls prey to overfishing and habitat destruction.
Knifetooth sawfish, seen mostly from below.

The knifetooth sawfish (Anoxypristis cuspidata) is one of five sawfish species, all of which are facing extinction. Credit: Norbert Wu/Minden/Nature Picture Library

The long-snouted, shark-like predators called sawfish have vanished from nearly 60% of their historical habitat and are nearing extinction, according to a mathematical method of counting marine species.

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Nature 590, 367 (2021)

doi: https://doi.org/10.1038/d41586-021-00381-9

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