“We’re talking symptomatic within 45 minutes of a lethal dose.” A female Coho salmon guards her spawning nest, called a redd, in Oregon's Thompson Creek. Coho salmon are one of seven species ...

Students from Meadowdale High School’s Eco Club joined community volunteers with the Edmonds Stream Team and Sound Salmon ...

Coho caught in the Wisconsin waters of Lake Michigan are almost all hatchery-reared fish stocked into the lake (some coho are ...

Spawning female coho lay eggs at the heads of rivers in the fall, where they are fertilized by male salmon. The eggs hatch the next spring once river ice melts, and the fish enter the river where ...

For decades, Coho salmon were turning up dead in urban streams the Pacific Northwest. The salmon would stop swimming straight, and then die before they had a chance to spawn. Researchers worried ...

They’d already had a banner day of salmon fishing when the big coho bit around 7:30 p.m. “The fish hit a fly off a dodger in 57 feet of water,” Kyle’s brother Nick Nied, who’s also a local charter ...

Anglers must release all wild coho. The river is open for salmon from the mouth up to the deadline below Merwin Dam. Coho do travel up to the dam, although most of the fish can be found from ...

North Fork Nehalem is a state-operated hatchery that produces thousands of salmon each year. Part of each returning run is needed to produce the next generation of hatchery coho salmon ...

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 ...