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Chinese Mitten Crab Threatens Oregon Ecosystem, Officials Warn

5/1/2025

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Summary

Story summary

Oregon officials have reported the alarming discovery of a Chinese mitten crab in the Lower Columbia River, caught by a commercial fisherman on April 22. This invasive species, notorious for wreaking havoc in San Francisco Bay, threatens local ecosystems. Authorities are now on high alert, investigating the possibility of more sightings.

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Story summary

Oregon officials have reported the alarming discovery of a Chinese mitten crab in the Lower Columbia River, caught by a commercial fisherman on April 22. This invasive species, notorious for wreaking havoc in San Francisco Bay, threatens local ecosystems. Authorities are now on high alert, investigating the possibility of more sightings.