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Fred Greaves/CalMattersMost ships discharging ballast water into California waters are inspected, but state officials have tested the water of only 16 ships. Experts say invaders like mussels are inevitable under current rules and enforcement. -
Courtesy of Washington Department Of Fish And WildlifeThe effects of the invasive quagga mussel, which only grows to the size of a thumbnail, extend beyond the natural ecology and into the built environment. Removing and keeping clusters of the mussels out of pipes could cost the state billions.
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Oregon officials in Ashland, where the boat was inspected, found dead and live specimens. Officials said the latter is particularly worrying because each mussel can reproduce millions of others. -
New state regulations now allow recreational crabbers to catch triple the number of invasive green crabs from Oregon鈥檚 bays and inlets. -
The U.S. Fish and Wildlife Service is developing a plan to manage the invasive Barred owl population on the West Coast. The plan would help with recovery of spotted owl species. -
It鈥檚 taken 20 years, but the most destructive insect in the country has been found in Oregon. -
Invasive green crabs are destroying marine ecosystems in the United States. A New Hampshire distillery is making crab-flavored whiskey to take them on. -
It鈥檚 likely too late to contain a species of invasive crayfish in Southern Oregon. That鈥檚 after biologists found they're spreading throughout Rogue Valley waterways. -
A species of invasive crayfish has been found in an Ashland waterway. It鈥檚 the first time they鈥檝e been identified in the state.
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An invasive species of crab is taking over the coastal habitats of Coos Bay. The overpopulation of green crab has serious ecological consequences for other species, such as the native Dungeness crab. -
Invasive smallmouth and striped bass came into the Coquille River roughly a decade ago. They've been feasting on young salmon since, disrupting the numbers of this prized fish. Now the Coquille Indians and the state department of Fish & Wildlife are going on the offensive, electro-fishing being one of the latest tools at their disposal. -
Southern Oregon land managers lost momentum in the fight against invasive, fire-prone weeds during the pandemic. Now, the Bootleg Fire is at their doorstep. -
Zebra and quagga mussels can quickly establish in watersheds, wreaking havoc on the food chain. -
An invasive species of crab is threatening native habitat along the coastal Pacific Northwest, from Southern Oregon to British Columbia.
