# How a cold pulse in the Northwest Atlantic reshaped East Coast fisheries

- Source: Phys.org
- Published: 2026-10-20T19:40:15+00:00
- Category: Science
- Original: https://phys.org/news/2026-10-cold-pulse-northwest-atlantic-reshaped.html
- Canonical: https://groundlevelnews.com/story/how-a-cold-pulse-in-the-northwest-atlantic-reshaped-east-coast-fisheri-3ffb46/

Fishers in the Northeast began noticing an unusual shift in the summer of 2023. Some familiar catches, including shortfin and longfin squid, declined, while cold-water species such as mackerel bounced back from years of decline. A new study published in the Journal of Geophysical Research: Oceans finds that a pulse of cold, fresh water brought unusually cold conditions to the region, disrupting fi

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