Murray River Crayfish are fully protected at all times and must be returned to the water immediately if caught. Credit: Government of South Australia Murray crayfish once thrived in the southern ...

PINEVILLE, W.Va.— The Center for Biological Diversity and the Wyoming East High School Friends of the Earth will host a community event on June 23 to celebrate a new mural of the Guyandotte River ...

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 ...

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 ...

This invader is eating through Colorado’s rivers, and it could wipe out native fish and plants if left unchecked. Colorado wildlife officials are raising the alarm after an aggressive invasive species ...

SPOKANE, Wash. — Spokane Riverkeeper teamed up with the community to collect crayfish for a study of the Spokane River on Saturday. The Spokane Riverkeeper partnered with scientists from the ...

A native white-clawed crayfish population has survived a "major incident" in which 100 of the species were found dead.

LARIMER COUNTY, Colo — A non-native crustacean has been discovered in the Little Thompson River for the first time. Colorado Parks and Wildlife (CPW) confirmed the presence of rusty crayfish in the ...

Thousands of invasive crayfish have been humanely killed after being found in a river. Belper and District Angling Club was given a licence to trap 3,000 American signal crayfish in the River Derwent ...

Coal mining and fracking spurred the federal government’s decision Thursday to list at least one crayfish as an endangered species in coal country and another as threatened, which likely will make ...