UW News
Jenifer McIntyre
December 3, 2020
Tire-related chemical is largely responsible for adult coho salmon deaths in urban streams
![](https://uw-s3-cdn.s3.us-west-2.amazonaws.com/wp-content/uploads/sites/6/2020/12/02135717/coho_and_tires_WEB006-150x150.jpg)
A team led by researchers at UW Tacoma, UW and Washington State University Puyallup has discovered a chemical that kills coho salmon in urban streams before the fish can spawn.