Untold numbers of hatchery fish may be dying from exposure to tire-contaminated runoff, according to a new study. When it was first identified in 2020, the deadly tire chemical 6PPD-quinone (6PPDQ) was seen mostly as a threat to adult coho salmon. Fish returning in the fall were found disoriented and gasping shortly after entering creeks […]
March 28, 2024
Ask a scientist: Are human-derived hormones like estrogen harming fish in Puget Sound?
Hormones such as estrogens that humans create in their own bodies are entering Puget Sound through wastewater, raising concerns about their effects on fish and other wildlife. We spoke with Puget Sound Institute scientist Maya Faber about how environmental exposure to human-derived estrogen can alter the reproductive cycles of male and female fish. The effects […]