A global invasion is underway. A 10-legged mutant crayfish is on the march throughout the world. They’re all female. They don’t need males to fertilize their eggs.

All-female mutant crayfish that clone themselves are taking over rivers and lakes around world. Invasive crustaceans reproduce without mating, and have spread from Germany to countries as diverse ...

Crayfish, crawfish and crawdad are all the same animal, but they’re called different names in different regions. The Australian redclaw crayfish are much larger than the species native to the U.S.

A single female marble crayfish can produce hundreds of offspring, meaning just one can create entirely new populations that outcompete native species. Skip Navigation. Share on Facebook; ...

Female Australian redclaw crayfish, which are an invasive species in the United States, can produce clutches of around 1,000 eggs up to five times a year.

A zoo may have to quarantine white-clawed crayfish to prevent them dying from a mystery illness. About 70 of the endangered crustaceans were found dead around the River Wansbeck in Northumberland ...

Experts say a female crayfish and several of its young were spotted at this same location and identified on iNaturalist in 2013, “indicating this species has been present at this location for ...

Invasive Australian Redclaw Crayfish were just collected from a Texas apartment complex pond, the first time they were found in the state and second time in US.

Experts say a female crayfish and several of its young were spotted at this same location and identified on iNaturalist in 2013, “indicating this species has been present at this location for ...