For 50 years, scientists have known that some Arctic and Antarctic fish survive the ultracold depths by producing “antifreeze” proteins in their bodies to protect against the subzero temperatures.

Arctic species that can adapt will do so, while others from lower latitudes will journey north to exploit the new climate regime. Chum salmon may be the harbingers of this transformation.

Indigenous people are worried the dams could pose a threat to the migrations of fish species they depend on. “Beavers really alter ecosystems,” says Thomas Jung, senior wildlife biologist for ...

Arctic grayling were once prevalent in Michigan’s northern Lower Peninsula, the DNR said, but today, they’re native only to Montana and Alaska in the U.S. More: DNR completes fall fish ...

Montana’s Arctic Grayling Get New Shot at Endangered Species ProtectionMISSOULA, Mont.— A federal district court in Montana ruled Tuesday afternoon that the U.S ...

Dam it — As the Arctic warms, beavers are moving in Scientists are just beginning to study the impacts of beaver dams on the tundra. Sharon Levy, Knowable Magazine - Dec 4, 2022 12:12 pm UTC ...

Before the northern Lower Peninsula was heavily lumbered in the mid- to late 1800s, Arctic grayling was the "abundant" and the dominant species of salmonids found in cold-water streams.

Arctic grayling are a freshwater fish in the salmonidae family, the DNR said. ... Arctic grayling was the "abundant" and the dominant species of salmonids found in cold-water streams.

Before the northern Lower Peninsula was heavily lumbered in the mid- to late 1800s, Arctic grayling was the "abundant" and the dominant species of salmonids found in cold-water streams. In the areas ...

Arctic grayling, a freshwater fish once prevalent in Michigan, disappeared nearly a century ago due to habitat destruction and overfishing. ... Officials hope the delivery of eggs and their placement ...