Lake Tahoe gets a good health report Daily Democrat September 1, 2010 UC Davis researchers noted several bright spots in their annual Lake Tahoe health report, issued Tuesday: The 2007 Angora Fire...

Northern pike Seattle PI August 22, 2010 Northern pike in Washington? Yep, they are here and their numbers are exploding. Some goofball transplanted them into Newman Lake, but that's not the real ...

Fly fishers serving as transport for little invaders The Seattle Times By Felicity Barringer August 21, 2010 For fly fishers who pride themselves on a conservationist ethic, it hurts to discover t...

Burbot could put bite in already-endangered species The Salt Lake Tribune By Brett Prettyman August 20, 2010 And you thought the discovery of burbot in Flaming Gorge Reservoir was a big deal. That...

"Didymo" Alert Calfish Press Release August 16, 2010 Sections of the Bear River in Central California are infested with the algae Didymosphenia geminata, also known as "Didymo" or "Rock Snot." Dr....

Ugly but tasty aquatic creature found in Green River Deseret News By Amy Joi O'Donoghue August 12, 2010 It's ugly, a ferocious predator to other fish and was found late last month in the Green Riv...

Grad works to reverse Southwest's native fish decline ASU News July 29, 2010 When Jason Schooley graduated from Arizona State's School of Life Sciences in May 2010, he left behind tools to make th...

Invasive mussels could cost $100M a year to fight The Seattle Times By Nicholas K. Geranios July 28, 2010 The expected arrival of invasive mussels in the Columbia River Basin could cost $100 milli...

Doom feared as Asian carp advances New York Times By John Collins Rudolf July 12, 2010 With the country's attention riveted on the oil spill in the Gulf of Mexico, the news in late June that a liv...

Non-native fish affect average body size Practical Fishkeeping By Heok Hee Ng April 26, 2010 The rampant introduction of non-native freshwater fish has led to a significant change in the average b...

Invasive weed spreads through Tahoe, Truckee RGJ.com By Jeff Delong April 26, 2010 Experts plan this summer to try a new way to eradicate an invading underwater weed spreading throughout Lake Taho...

Invasive lionfish attacks reefs and fish Science Insider by Virginia Morell April 20, 2010 Indo-Pacific lionfish, an invasive carnivore equipped with venomous spines, are spreading-and eating the...

Invasive trout populations more productive Conservation Maven April 14, 2010 In streams across much of the western United States the exotic brook trout has been replacing its native relative - th...

Alaska felt-sole ban clarified American Fisheries Society April 5, 2010 After the recent article on the proposed felt-sole ban for Southeast Alaska, I heard from Dave Kumlien, executive director o...

Invasive species limiting food supply The Observer By Tyler Kula March 10, 2010 Invasive species are affecting the reproductive cycles of local fish, says the manager of the Bluewater Anglers fish...

Study: Columbia River mussel growth The Columbia Basin Bulletin February 19, 2010 No one wants non-native, invasive zebra or quagga mussels anywhere near the Columbia River basin. So researchers h...

Asian carp pose threat to more than just lakes WSBY News By Clifton French February 8, 2010 The Obama administration says it will spend $78.5 million to help keep the Asian carp out of the Great L...

Officials might poison pike in Nevada lake RGJ By Jeff Delong February 7, 2010 Nearly three years after California biologists poisoned a popular Sierra fishing lake to rid it of Northern pike, Nev...

Benefit from high-flow experiment at Glen Canyon Dam USGS Newsroom February 2, 2010 Resources along the Colorado River in Glen Canyon National Recreation Area and Grand Canyon National Park genera...

More Great Lakes invaders predicted South Bend Tribune By Josh Garvey January 31, 2010 Amid concern and confusion over Asian carp possibly finding their way into the Great Lakes, many experts invo...

Invasion of the carp coming soon in 3D Southtown Star By Phil Kander January 29, 2010 I have written this horror movie script entitled, "Invasion of the Asian Carp," where there's a public panic a...

Why aren't quagga mussels flourishing in northwest? OBP News By Ryan Knutson January 22, 2010 Zebra and Quagga mussels are one of the most damaging invasive water species in the United States, but...

Snail eradication may take years The News Tribune By John Dodge January 21, 2010 Flushing Capitol Lake with saltwater and limiting the use of pesticides are two options for ridding the lake of its...

Turning Asian carp from a menace into dinner Los Angeles Times By Joel Hood January 16, 2010 Reporting from Chicago - Asian carp may indeed be poised to destroy commercial fishing as we know it in...

Caymans train divers to fight lionfish invasion Reuters By Shurna Robbins January 6, 2010 More than 300 scuba divers have been certified to catch red lionfish in a race to prevent the invasive and...

Chub now rare in Great Lakes UPI December 31, 2009 Chub, a small fish found only in the Great Lakes, has become a rare find in stores in the U.S. Midwest thanks to zebra mussels and other invasive...

Minnesota joins suit to seal Asian-carp-infested waters Chicago Tribune By James Janega December 29, 2009 Legal forces in the Upper Midwest arrayed against the invasive Asian carp Monday, as Minne...

Michigan asks Supreme Court to shut corridors The Chicago Tribune By Joel Hood and James Janega December 22, 2009 The fight to keep invasive Asian carp from the Great Lakes reached the nation's h...

Invasive snails found in Stanislaus River The Modesto Bee December 12, 2009 Biologists have discovered an invasive snail species that can clog the food chain on the Stanislaus River at Knights Fer...

New Zealand snails invade Olympia KUOW News By John Ryan December 7, 2009 Scientists can get the thrill of a lifetime if they discover a new species. But after a retired micro-biologist discovered...

MID sees bass as problem, not water The Modesto Bee By John Holland November 29, 2009 Every spring, some of the water that might have gone to farms instead flows down the Tuolumne River to help yo...

Invasive American shad numbers sharply down The Columbia Basin Bulletin August 28, 2009 The number of invasive American shad counted passing over Bonneville Dam's fish ladders this year is the low...

Northwest fear, invasive mussels are headed its way The Modesto Bee By Les Blumenthal August 26, 2009 Highly invasive mussels are lurking on the Northwest's doorstep, threatening to gum up the dam...

Predatory snail wrecks California oysters Times of The Internet August 3, 2009 A predatory snail indigenous to the Atlantic Ocean is decimating native oysters living in Tomales Bay north of San Fr...

Marine pest species costing billions in damage Science Daily July 26, 2009 Marine pest species costing billions in damage to fisheries, coastal communities and infrastructure are spreading as the ...

Study, differences between mussels The Columbia Basin Bulletin June 19, 2009 The zebra mussels that have wreaked ecological havoc on the Great Lakes are harder to find these days -- not because th...

Oregon goes on alert for destructive mussel The Oregonian By Matthew Preusch June 11, 2009 DETROIT - Jennifer Godfrey heard that a Nevada boat was about to put in at Detroit Lake. A week before,...

Non-native fish pose substantial threat to salmonids The Columbia Basin Bulletin March 6, 2009 Non-native, predatory species such as bass and channel catfish may pose as great a threat to imperile...

Invasive species are greatest threat to salmon The Oregonian By Matthew Preusch March 5, 2009 Most discussions about the causes of declining salmon runs focus on the four H's: habitat, hatcheries,...

Invasive parasite hitting mud shrimp, a salmon food The Columbia Basin Bulletin February 27, 2009 A parasitic isopod that scientists identified five years ago has all but decimated mud shrimp popu...

Microbe being tested as non-toxic answer to quagga mussel problem The Press-Enterprise By Janet Zimmerman October 22, 2008 Nearly two decades of research has turned up what could be the first nont...

Tahoe mussel worries on rise Reno Gazette Journal By Jeff Delong October 6, 2008 Discovery of invasive mussels in a set of high-elevation Colorado lakes is diminishing confidence that Lake Tahoe c...

Safe bacterium found to kill zebra mussels UPI October 2, 2008 U.S. scientists say they've created an environmentally safe bacterial toxin to control invasive zebra and quagga mussels. The new b...

Tiny aquatic pest hits North Coast Lake County News By Elizabeth Larson September 15, 2008 NORTH COAST - While quagga and zebra mussels are a major concern for state and local officials, it's ...