If porpoises can detect fishing nets, why do so many still end up as bycatch?🐬 We filmed wild porpoises around a dummy net with drones and found that most just swam over it. Our take: bycatch happens when avoidance fails.
doi.org/10.1111/1365...
doi.org
Avoidance failure, not detection failure drives gillnet bycatch in a small toothed whale: The harbour porpoise
Our findings suggest that bycatch is not simply due to a failure to detect nets but rather occurs when avoidance fails, highlighting the need for mitigation strategies that enhance detectability and ...
