We’ve got a new critter in Texas waters, but this one’s no mate of ours. The invasive Australian redclaw crayfish is making waves in Texas – and not in a good way. Texas wildlife officials are ...

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, the remnant ...

Williams said he believes the mutation was caused by two rare occurrences, the first being a developmental anomaly where the egg cell had two nuclei instead of one. That would mean it had two sets of ...

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’s a ...

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 ...

The Panama City Crayfish, found exclusively in Bay County, Florida, is a small, white-striped crayfish that plays a vital role in the local ecosystem. Once subject to controversy due to its threatened ...

Kodiak's community and biologists are looking at solutions to keep the population of crayfish down. As Alaska’s climate changes, invasive species are becoming more common, and in many cases more ...

MATTAWAN, MI — The Michigan Department of Natural Resources is attempting to figure out how an invasive crayfish entered a pond at one of its fish hatcheries. On Thursday, July 24, the DNR said it ...

Crayfish are an unsung hero of South Carolina's waters — the critters help clean polluted waterways and occupy a critical spot on the region's food chain. Believed to have first crawled into existence ...

A new study by researchers at The University of Queensland has revealed that the impressive claws (chelae) of freshwater crayfish come with certain costs: The size slows their swimming and saps energy ...

Red swamp crayfish – a species that is native to the southern United States but prohibited in Michigan – was found in a state hatchery pond in Van Buren County, Michigan. The Michigan Department of ...