A harmful algal bloom known as a red tide is causing the mass deaths of crayfish and other ocean life on parts of South ...

A native white-clawed crayfish population has survived a "major incident" in which 100 of the species were found dead. Unusual symptoms were discovered in populations around the north-east of England ...

Alabama already boasts more species of crayfish than any other state, but the number of distinct species seems likely to go up in 2016. Biologists working within the Black Warrior River floodplain in ...

SPRINGFIELD, Ill. (KFVS) - The Illinois Department of Natural Resources is reminding the public that importing and possessing live red swamp crayfish, also known as crawfish, is illegal in Illinois.

Oregon has two new invasive species to deal with. For the first time in the western United States, scientists say two kinds of crayfish have appeared in streams and rivers. What makes this story ...

CHAMPAIGN-URBANA, Ill. (WCIA) — University of Illinois researchers studying an invasive species of crayfish recently made a unique discovery — two new species that had long been mistaken for the ...

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 ...

Alabama already had more documented species of crayfish living in its waters than any other state, but that lead was padded this week as two biologists announced the discovery of a new species called ...