US EditionInvasive Chinese crab that can scale walls spotted for 1st time in US Pacific Northwest
- Earlier this month, officials confirmed that a Chinese mitten crab was caught in the Lower Columbia River, located in central Oregon.
- This invasive crab species from East Asia has been banned in Oregon for more than ten years because of its aggressive behavior and potential to harm local ecosystems.
- Chinese mitten crabs are known for their ability to scale vertical surfaces and possess distinctive characteristics, such as a cleft located between their eyes and four spines positioned on the sides of their body; they pose a threat to local ecosystems by outcompeting native species.
- ODFW biologists collaborate with Washington Fish and Wildlife and NOAA, using traps and water samples to detect other mitten crabs, in what officials call a rare event for Oregon.
- This confirmed sighting marks the first in the U.S. Pacific Northwest, raising concerns of potential ecological harm similar to issues seen in San Francisco Bay during the 1990s.
17 Articles
17 Articles
Officials raise alarm after fisherman captures hairy-clawed crab in major river: 'Significant infrastructure and ecological damage'
An unexpected catch in the Columbia River has Oregon wildlife officials on high alert — and for good reason. A commercial fisherman recently pulled in a Chinese mitten crab, a species banned in the Pacific Northwest due to its destructive history. This marks the first confirmed sighting of the invasive crustacean in the region — and it could spell trouble for the local ecosystem and the economy. What's happening? On April 22, a fisherman caug…
Invasive Crab Found in Pacific Northwest for First Time
A crab capable of scaling 13-foot concrete walls has been spotted in the Pacific Northwest for the first time, raising serious concerns for local wildlife officials. The Oregon Department of Fish and Wildlife says the Chinese mitten crab, famous for its hairy claws and invasive ways, was caught by a...
'Furry' invasive crab caught along Oregon Coast
PORTLAND, Ore. (KOIN) — Officials are asking those in the Pacific Northwest to keep a lookout after a highly invasive species of crab with a noteworthy feature was spotted on the Oregon Coast. According to the Oregon Department of Fish and Wildlife, a commercial fisherman caught what officials identified as a Chinese mitten crab last week in the Lower Columbia River, east of Tongue Point. Named for their distinctive furry claws, mitten crabs can…
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