A little-known tire chemical, 6PPD-quinone, is quietly turning storm drains and artificial turf into death traps for coho ...

Coho salmon continue to die in Puget Sound creeks after rainstorms. The deaths were linked to bits of car tires shed from road friction into stormwater runoff in 2018. Washington State University’s ...

For decades, Coho salmon were turning up dead in urban streams the Pacific Northwest. The salmon would stop swimming straight, and then die before... Why are so many Coho salmon dying? The answer ...

Scientists at Washington State University’s (WSU) Puyallup Research & Extension Center have been working to find out why coho salmon in Puget Sound creeks seem to suffocate after rainstorms. Coho, or ...

Add Yahoo as a preferred source to see more of our stories on Google. Scientists at Washington State University (WSU) have been studying for years why Coho salmon in Puget Sound creeks seem to die ...

Radio tags for a multi-year coho salmon monitoring project are inserted into the stomach through the mouth, with an antenna that sticks out. (From Alaska Department of Fish and Game) Last month, the ...