Historically, spring-run and fall-run Chinook salmon have been considered as separate subspecies, races, ecotypes, or even as separate species of fish. A new genetic analysis, however, shows that the ...

A study found that the genetic code of spring-run Chinook salmon, like these in California’s Butte Creek, vary from fall-run salmon only in the DNA variance governing migration times. (Courtesy of ...

Historically, spring-run and fall-run Chinook salmon have been considered as separate subspecies, races, ecotypes, or even as separate species of fish. A new genetic analysis, however, shows that the ...

Spring-run Chinook salmon, critical to Indigenous fishers along the Klamath River, are in steep decline. But two recent developments may offer a path to their recovery. Spring chinook salmon come of ...

Oct. 30 (UPI) --Traditionally, spring-run and fall-run Chinook salmon have been classified as two separate subspecies, or ecotypes, but new genetic analysis suggests the two groups are much more ...

PORTLAND, Ore. — The Center for Biological Diversity and allies sued the National Marine Fisheries Service today for delaying Endangered Species Act protection decisions for spring-run Chinook salmon ...

More than 1,200 adult spring-run Chinook salmon meant to return to the San Joaquin River ended up in the Tuolumne River instead, prompting a five-part rescue operation. The fish were originally ...

Wildlife conservationists have been long making the case that spring-run Chinook salmon are a genetically distinct species from the ones that make their runs in the fall. If the federal government ...

The Park Fire is California’s fourth-largest wildfire, and has burned over 420,000 acres across Northern California in more than two weeks. The fire is now threatening some of the last refuges of ...

Anglers will get another shot at a better-than-expected spring chinook salmon run on the Columbia River. Bolstered by a 30% uptick in the spring run at Bonneville Dam, Oregon and Washington biologists ...

PORTLAND, Ore.— The Center for Biological Diversity, Native Fish Society and Umpqua Watersheds filed a notice today of their intent to sue the National Marine Fisheries Service to force it to decide ...

A Karuk Tribe fisheries crew maneuvers a net to capture juvenile Chinook salmon, coho salmon and steelhead trout in Wooley Creek, a tributary of the Salmon River, in Northern California in August.