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 ...

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 ...

CLEVELAND, Ohio - A Cuyahoga Community College biology class on a field trip to the Chagrin River made a startling discovery: a crayfish with a rare genetic mutation, splitting its body into two ...

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 ...

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 ...

Critically endangered native crayfish that were rescued from a dried up Leeds river bed have been released back into the wild. The Environment Agency’s fisheries team carried out an emergency rescue ...

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 ...

Getting your Trinity Audio player ready... Rusty crayfish, an aquatic nuisance and an invasive species, has been discovered in a Larimer County river south of Estes Park, according to Colorado Parks ...

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 ...

Forty-six crayfish collected in the Ocoee River Gorge in southern Tennessee are part of a new species, researchers said in a study. Photo from senior author Roger F. Thoma A researcher was wading ...