Gillnet fisheries pose the greatest threat to the vaquita population. Current bycatch estimates are unavailable, but in the early 1990s an estimated 39 to 84 individuals were caught by fishermen from one...
Since the 1970s, fisheries bycatch has been increasingly recognized as a factor responsible for reducing or liminiting the recovery of marine mammal populations in many parts of the world. A new study from the Consortium for Wildlife Bycatch Reduction reviews reported marine mammal bycatch from the last two decades.
Mortality from longline bycatch threatens marine mammal species and populations such as the false killer whale (Pseudorca crassidens) in the insular Hawaiian Islands, and Risso's dolphin (Grampus griseus) and pilot whales (Globicephala spp.) in the Northwest Atlantic....