Add Yahoo as a preferred source to see more of our stories on Google. The Okanagan crayfish (Pacifastacus okanaganensis) from the British Columbia Interior and Washington state has a new description.

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 ...

Researcher Christian Lukhaup calls the new crayfish species Cherax pulcher, and pushes for a conservation plan to help preserve the amazing creature. A German researcher has identified a new species ...

For decades, the signal crayfish has been an ecological troublemaker. It is invasive and widespread across Europe, Asia, and parts of the United States. Recently, researchers at the University of ...

A rescue mission was launched to take the aquatic animals to a safe location.

The coldwater crayfish is found primarily in the Eleven Point River in southern Missouri. JEFFERSON CITY — The small crustaceans that scuttle among the rocks of Missouri streams and rivers are a key ...

A pair of Missouri crayfish species were recently granted Endangered Species Act protection, according to the U.S. Fish and Wildlife Service. The Big Creek crayfish and the St. Francis River crayfish ...

Rusty crayfish have been found in the Upper Colorado River Basin for the first time. That's according to Colorado Parks and Wildlife, which says the discovery in Grand County of the invasive species ...

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 ...