After more than 100 years of being blocked from the area, Atlantic salmon have been able to spawn in the upper waters of the River Derwent, thanks to the removal of a weir in their way, Phys.org ...

The environmental group plans to remove the structures and restore the waterway for native sea-run fish such as American shad ...

Salmon, herring, the federally-protected Atlantic sturgeon, and American eel, all rely on Maine’s freshwater rivers to either ...

The salmon of the Hiitolanjoki river can finally return to their ancestral spawning grounds after being blocked for more than ...

An error has occurred. Please try again. With a The Portland Press Herald subscription, you can gift 5 articles each month. It looks like you do not have any active ...

When Storm Amy battered the Scottish Highlands in early October, it tore through a salmon farm's sea pens, releasing around ...

Salmon are very much a cold-water fish, so they can get quite stressed when swimming up increasingly warm rivers to spawn. A new study shows that by installing "cooling stations" in those rivers, we ...

The Iron Gate Dam, pictured here, is one of four dams along the Klamath River scheduled to be removed by the end of 2024. Once the dams are gone, crews will work to restore the river and surrounding ...

One of the enduring ichthyological mysteries is how migratory fish know when it is time to move from their winter to summer ...