Endangered cold water fish are appearing leaps and bounds ahead of where they were in the past five decades thanks to efforts by one Northern California region to restart local salmon runs. From the ...

When water temperatures get too hot, fish can become stressed or even die. In rivers, Atlantic salmon and other cold-water species sometimes escape the heat by flocking to cooler areas, which often ...

Climate change is rapidly altering freshwater ecosystems — raising temperatures, altering flood pulses and oxygen levels — and driving complex, region-specific changes in how fish grow, migrate and ...

HOMESTEAD — Salmon farms normally occur in the fjords of Norway or Chile, not on the hot, humid flats next to the Everglades. But Atlantic Sapphire, a new type of on-land salmon farm, is betting on ...

Few streams in Ohio keep their cool sufficiently throughout the summer to sustain cold-water fish. Cold Creek, a 5-mile, meandering run of clear water that starts from holes in the ground and flushes ...