Brook Trout Invasions in Idaho High Country Bull Trout Streams
Non-native brook trout were introduced to Idaho more than 100 years ago, and since that time, they have found a home across many drainages in …
TagInvasive Species
Invasive zebra mussels have “infested” a Colorado lake
Invasive zebra mussels have “infested” the water at Highline Lake — a reservoir north of Loma, near Utah — despite a 15-year effort by Colorado …
Walleye Numbers Cause Concern For Salmon And Steelhead Smolts
Seals, sea lions, pike minnow, pike, smallmouth, terns, cormorants… Well, now you can add walleye to the list of threats to salmon and steelhead. Walleye …
Has Florida Become the Budget-Friendly Amazon for Anglers?
Are invasives ruining the state’s waters or is the state on the way to becoming the everyman’s Amazon, embraced by the folks who can’t afford …
Park Service to poison bass upstream of Grand Canyon to save native fish
The National Park Service will poison a Colorado River side channel below Glen Canyon Dam to remove fish that threaten native species, the agency announced. …
AI-enabled fish gate filters invasive salmon out of Norwegian waterways
After being introduced to Russia’s White Sea in the 1950s, non-native Pacific salmon have since spread along Norway’s coastline and into its rivers. In an …
Why the US Army electrifies this water
The Chicago and Sanitary Ship Canal is the path that invasive carp would take to reach the Great Lakes. So to stop them, the US …
Chemical spraying to kill invasive bass is back on for Miramichi watershed
After opponents stopped the project last year, chemical spraying to wipe out an invasive bass population in Miramichi Lake is set to take place later this summer. …
The Westward Spread of Zebra and Quagga Mussels
The zebra mussel has been a poster child for invasive species ever since it unleashed economic and ecological havoc on the Great Lakes in the …
Biologists’ fears confirmed on the lower Colorado River
NPS fisheries biologists have discovered that smallmouth bass, a non-native predator fish, has made its way through Glen Canyon dam and appears to have spawned …