The Fish and Boat Commission is monitoring invasive rusty crayfish that act like gladiators as they try to take over native ...

Scientists have described a new species of colorful crayfish—and it might already be sitting in your aquarium. The ...

A single female slough crayfish spontaneously spawned an entirely new species thanks to her ability to essentially clone herself and create offspring without the need for genetic material from a mate.

Sightings of the species in the Rio Grande Valley have sparked fear among some Texas environmental officials, who say the crayfish could threaten local wildlife and wetland ecosystems.

BROWNSVILLE, Texas — Scientists in Texas are on high alert for an invasive species that could threaten native wildlife: an Australian crayfish that has appeared in the state’s resacas ...

ST. LOUIS, Mo.— Following litigation by the Center for Biological Diversity, the U.S. Fish and Wildlife Service today protected the Big Creek and St. Francis River crayfish as threatened under the ...

An invasive crawfish species originally from Australia has been seen in Texas since as early as 2013 and researchers are now studying how its presence could affect the local ecosystem. According ...

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 ...