The public has until May 19 to weigh in on a Trump administration plan that would leave many endangered species at much greater risk.

Pharmaceutical pollution can significantly affect wild animal behaviour, including speeding up salmon migration.

Dropping the word “farmed” from its name could cause a backlash if moves to produce more fish damage quality.

There is no scientific reason to believe that salmon will benefit from the installation of large, engineered wood structures across rivers.

A giant prehistoric salmon, the largest to ever exist, had spiky tusk-like teeth that protruded straight out of the side of its skull.

Knowing which fish to buy can be confusing, but certain eco-labels can help decipher whether wild-caught, farmed or organic salmon is best for the environment.

There are so many fish in the ocean that if you took them out, important habitats and food sources for many creatures would be lost.

The early heat melted snow and warmed rivers, heating up the land and downstream ocean areas. The effects harmed salmon fisheries, melted sea ice and fueled widespread fires.

Founded in 1959, the membership group Trout Unlimited has changed the culture of fly-fishing and mobilized members to support conservation. Could its approach work for other social problems?

The largest dam removal project is moving forward on the Klamath River in California and Oregon. Tribal nations there have fought for decades to protect native fish runs and the ecology of the river.