Science news articles about 'salmon trout'

... lake whitefish and many prey fish upon which salmon, trout and walleye rely. Scientists are employing ... important prey fish that provides Chinook salmon well over 80 percent of its food, have declined ...

... Diporeia -- was a major food source for commercially important species like lake whitefish and many prey fish upon which salmon, trout and walleye rely.

... no natural predators in the Great Lakes. Parasitic lampreys attach themselves to other fish, such as salmon, trout and whitefish, and suck out the fish's body fluids. The lamprey's sucking disk and ...

... dioxins, mercury, lead and pesticide – has lingered in western New York’s Eighteenmile Creek for decades, leaving its salmon, trout and other fish unsafe to eat and jeopardizing its wildlife. [More]

... decrease because of the decreasing availability of water. This will also put additional stress on salmon, trout and other coldwater fish. Superinfestations of insects will likely cause ecological and ...

... is affected by it, and how the disease progresses. In particular, said Winton, some fish – such as salmon, trout and muskellunge - have a fairly narrow range of water temperatures they can live in. ...

... wild fish needed to produce 1 pound of salmon from 5 pounds to just 3.9 pounds. ... at farms that produce carnivorous fish, including salmon, trout and tuna. But vegetarian species, such as Chinese carp ...

... located between Inuvik and Tuktoyaktuk. While it is well known that brown bears feed on salmon, trout and charr, this is the first scientific reporting of brown bears feeding on whitefish and supports ...