River herring migrating up a river (Photo: Tim Briggs)

Photo by Tim Briggs, NHSG

Each spring, hundreds of thousands of river herring rush through Massachusetts coastal waters to spawn. Explore stories of sea-run fish and the Sea Grant researchers working to understand and protect these ecologically vital species, including fish passage restoration and other initiatives from MIT Sea Grant.

>>View the Storymap by Tim Briggs, New Hampshire Sea Grant