The researchers detailed their discovery in the journal Zootaxa last week. Though crayfish—also called crawdads or crawfish—may not be everyone’s idea of the perfect animal companion ...

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 ...

Something strange is going on in Michael Hines’ Chanhassen yard. He returned from a business trip last week to discover his Mission Hills backyard filled with muddy holes. Investigating, he ...

When a team of scientists studying the brightly colored and common New Guinea crayfish ordered some new animals for their lab, they were in for a bit of a surprise. They uncovered a species of the ...

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 ...