A new tool is helping scientists protect some of the most important yet overlooked creatures in our freshwater ecosystems, ...

CHARLESTON, W.Va.— Following a petition and lawsuit by the Center for Biological Diversity, the U.S. Fish and Wildlife Service today designated 446 stream miles of critical habitat for the Big Sandy ...

The U.S. Fish and Wildlife Service found that the spinytail crayfish is not warranted for listing as an endangered or ...

Scientists are investigating the health of spiny freshwater crayfish in habitats surrounded by large dams, growing towns, and ...

The Crayfish Action Sheffield project aimed to document, monitor and conserve Sheffield’s important native crayfish populations through habitat enhancement, public education and the creation of ...

Francis River crayfish as threatened under the Endangered Species Act. The Service also designated 2,112 river miles of critical habitat in the Missouri Ozarks for the two crayfish. “These crayfish ...

Each Australian redclaw crayfish caught during the research project ... “South Texas does not get very cold and is somewhat comparable to their habitat in Australia, so them showing up in ...

An invasive crayfish species from Australia is posing a threat to the native crayfish species in the Rio Grande Valley, Texas officials warn. Screengrab from Texas Parks and Wildlife video There ...

An invasive crayfish species native to Australia was spotted in the waters of southern Texas—nearly 8,000 miles from its natural habitat. The unexpected sighting has alarmed aquatic biologists ...