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.

EAST ALTON The National Great Rivers Research and Education Center (NGRREC ) encourages community members to attend an ...

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

But it is a long way from home. The lower Rio Grande Valley is home to several native species of crayfish — more commonly called crawfish or crawdads in the local vernacular. Australian redclaw ...

They are particularly common in North America, with 70% of the world’s crayfish species living in the United States. The southern U.S. is renowned for its crayfish, which are often featured in ...

Crayfish are considered a great indicator of catchment health but there isn't any benchmark data to help protect the species. Protecting some of Australia's smallest freshwater critters such as ...

Some of these crayfish are more than six inches long, making them one of the biggest predators in local waters. That makes it harder for local species to thrive or have a diet custom to the area. ...

A spill of diesel into a river could affect endangered native crayfish, a wildlife trust has ... likely to be damaging for a whole variety of species living on the river. "These include otters ...

Invasive species are a growing problem in Michigan and the U.S. Michigan’s Invasive Species Program is joining efforts across all 50 states to encourage everyone to take action to prevent the ...

A new species of spined loach, officially named the Cobitis beijingensis, has been discovered in the Beijing area for the first time in over 40 years. This is the first time a fish species has been ...