Articles for tag: Chinese mitten crab, Columbia River, environmental impact, Invasive Species, Pacific Northwest

Eriocheir sinensis in water

Invasive Chinese Mitten Crab Discovered in the Pacific Northwest—A Growing Ecological Concern

April Joy Jovita

The invasive Chinese mitten crab (Eriocheir sinensis) has been confirmed in the Lower Columbia River, sparking concerns among scientists and wildlife officials. Known for their hairy, mitten-like claws, these crabs have caused environmental disruptions in other regions, notably in California’s San Francisco Bay, where they contributed to riverbank erosion and infrastructure damage. Their arrival in ...

Smallmouth bass underwater with rocks

Evolution Fights Back: Adirondack Smallmouth Bass Adapt to Evade Eradication

April Joy Jovita

In a vivid example of nature adapting to human pressure, invasive smallmouth bass in New York’s Adirondack Mountains have evolved traits that help them resist long-standing removal campaigns. According to a new study in Proceedings of the National Academy of Sciences, these fish are now growing faster and reproducing earlier, an evolutionary shift that is ...