CHAMPAIGN-URBANA, Ill. (WCIA) — University of Illinois researchers studying an invasive species of crayfish recently made a unique discovery — two new species that had long been mistaken for the ...

Two new species of crayfish have been identified in the Pacific Northwest region of North America, and researchers say both species are vulnerable to extinction. One of those crayfish is called the ...

Researchers at the University led by Eric Larson, professor in ACES, made a groundbreaking discovery pertaining to the Signal Crayfish. They found there are two distinct species of crayfish residing ...

DOUGLAS COUNTY, Minn. (Valley News Live) - The Minnesota Department of Natural Resources has confirmed signal crayfish in Lake Winona, adjacent to Alexandria in Douglas County. This is the first ...

Signal crayfish, an invasive nonnative freshwater crustacean species, have been found in a western Minnesota lake, according to the state Department of Natural Resources. The DNR said Friday that this ...

An invasive species has been confirmed in one of Minnesota’s Douglas County lakes. According to the Minnesota Department of Natural Resources, the signal crayfish has been found in Lake Winona. So far ...

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

The non-native and potentially invasive signal crayfish has appeared for the first time in Minnesota, prompting the state to warn that they are illegal without a permit. Officials confiscated 10 ...

Rick Boatner/Oregon Department of Fish and Wildlife In May, the Oregon Department of Fish and Wildlife received a tip that an unusual-looking crayfish was spotted in a creek around Lithia Park in ...

Researchers recently discovered two new crayfish species: the Okanagan crayfish and the misfortunate crayfish (Pacifastacus malheurensis). Because both species were previously thought to be signal ...

These crayfish are larger, more aggressive, and reproduce more quickly than native species, leading them to dominate ecosystems and disrupt food webs. Rusty crayfish have a significant impact on ...