Scientists thought fish saved energy by swimming in flat diamond shapes, but study shows they actually prefer swimming in 3D ...

When Slater Mill opened in 1793, it signaled the eventual demise of river herring and other migratory fish in the Blackstone ...

For 50 years, scientists believed that schools of fish would save the most energy by swimming in flat diamond formations.

When Slater Mill opened in 1793, it signaled the eventual demise of river herring and other migratory fish in the Blackstone ...

The North Shore Steelhead Association is behind efforts to improve the fish ladder — or fishway — on the north-side urban ...

MERCED, Calif. — An appeals court in California reversed the trial court’s dismissal of a petition seeking to force an irrigation district to reopen a fish ladder on a Merced River dam that was closed ...

At first glance, fish ladders seem like a simple fix for migratory fish blocked by dams. But behind their concrete steps lies a world of biology-informed engineering. This video dives into the ...

THOMPSON FALLS – Trout won’t climb ladders when it’s too cold. Nothing swam into the catch basket of the PPL Montana’s fish ladder last Thursday, when the water temperature was about 40 ...

A fish ladder can be a help or a hindrance The watershed association recommends the Pembroke Herring Run is "the best place to view migrating alewife herring, as populations are highest here.

A fish ladder can be a help or a hindrance The watershed association recommends the Pembroke Herring Run is "the best place to view migrating alewife herring, as populations are highest here.

The $1.2 million project allows the fish to make their way from the Peconic River in Riverhead, where there is another successful ladder at Grangebel Park, before reaching the Byron H. Young Fish ...

The view was cloudy most of the way, thanks to silt from nearby glacier runoff, but as we reached the bottom, the view was clear. ASHLEY KOSCIOLEK/THE POINTS GUY The pilot turned on lights to help us ...