Add Yahoo as a preferred source to see more of our stories on Google. Officials in Colorado are sounding the alarm over the presence of an aggressive invasive species that poses a serious threat to ...

DENVER (KDVR) — An aggressive aquatic nuisance species was found in a northeastern Colorado river. According to Colorado Parks and Wildlife, rusty crayfish have been located in the West Fork Little ...

Rusty crayfish, an invasive species, has been discovered in the Little Thompson River in Larimer County, Colorado. This aggressive crayfish, known for its big appetite and rapid reproduction, poses a ...

The Okanagan Crayfish (Pacifastacus okanaganensis) has been newly described from interior British Columbia and Washington State. Another new species, the Misfortunate Crayfish (Pacifastacus ...

Officials in Colorado are sounding the alarm over the presence of an aggressive invasive species that poses a serious threat to local wildlife. According to a press release from Colorado Parks and ...