Not a problem right now , maybe not a problem in the future but definetly something to keep a eye on . Maybe @Wolfdog91 might have heard about them
But seems the reproduce without the need of a male (dont tell the femenists) , reproduces incredibly fast, not a picky eater . And in another article i read they say that the offspring are clones of the mother , all female and all ready to breed sharpish
The Mutant (crayfish) Have Landed - The Adirondack Almanack
WWW.ADIRONDACKALMANACK.COM
Sometime in the 1990s, a mutant crayfish able to conquer