Risk of whale entanglement in fishing gear tied to size of cool-water habitat
Phys.org
February 25, 2026
AI-Generated Deep Dive Summary
New research reveals that humpback whales off the U.S. West Coast face a heightened risk of entanglement in fishing gear during years when cool-water habitats, their primary feeding grounds, are less available. This study, conducted by Jarrod Santora of the National Oceanic and Atmospheric Administration (NOAA) and colleagues, published in *PLOS Climate*, highlights a concerning connection between habitat conditions and whale safety.
Cool-water habitats play a critical role in supporting humpback whales' survival, as these areas are rich in prey like krill and small fish. When these habitats diminish, whales may venture into warmer waters where fishing gear is more prevalent, increasing their chances of entanglement. The research analyzed decades of data on whale entanglements and environmental conditions, revealing a clear pattern: lower availability of cool-water habitat correlates with higher rates of entanglement incidents.
The study underscores the delicate balance between marine ecosystems and human activities. As climate change continues to alter ocean temperatures and currents, the loss of cool-water habitats could become more frequent, further exacerbating the risks faced by humpback whales. This finding is particularly significant for conservation efforts, as reducing entanglements requires a better understanding of how environmental changes impact whale behavior and distribution.
For readers interested in science and marine conservation, this research provides valuable insights into the challenges of protecting large marine mammals in a rapidly changing environment. It also emphasizes the importance of addressing both human activities, such as fishing practices, and broader environmental factors, like climate change, to safeguard these iconic species. By understanding these connections, scientists and policymakers can work together to develop strategies that reduce entanglement risks while preserving marine ecosystems for future generations.
Verticals
sciencephysics
Originally published on Phys.org on 2/25/2026