May 29—On World Fish Migration Day Saturday, in the underwater viewing room at Manchester's Amoskeag Fishways, curious minds age 4 and older were transfixed by a riverside show. Merrimack River ...

Utrecht’s "fish doorbell" lets online viewers help fish migrate by signaling authorities to open a river lock. The project, now in its fifth year, has attracted millions of viewers who enjoy its mix ...

They had a reel good time. Dozens of fish fanatics went all in for the city’s first-ever Fish Migration Celebration — braving wet weather to display homemade designs of undersea creatures and cheer on ...

UTRECHT, Netherlands — With millions of global fans, the Ultrecht Fish Doorbell returns for its fifth anniversary. As of 3 March, the digital doorbell can be pressed again. Every spring, fish in the ...

For almost a century, migratory flyways have been a cornerstone of bird conservation. Knowing where these aerial highways are helps protect habitats and monitor species through carefully mapped routes ...

A new global study reveals an average 81% decline in migratory freshwater fish populations between 1970 and 2020. Habitat loss, degradation and overfishing are the main threats to migratory fish, ...

The Claiborne Lock and Dam on the Alabama River, near Monroeville, is the focus of a planned fish ladder project to restore migratory routes for aquatic species including sturgeon, mullet and striped ...

The first-ever acoustic telemetry network in the Mekong River has tracked key migration corridors critical to the survival of fish in Cambodia and Laos. To conduct the study, researchers caught fish ...