Team discovers invasive-native crayfish hybrids

… with a native crayfish, potentially altering the native’s genetics … .S. and Canada. It hybridizes with native crayfish, displacing … crayfish that had native spothanded crayfish mitochondrial DNA … invaders are hybridizing with native species,” Rozansky said. …… with a native crayfish, potentially altering the native’s genetics … .S. and Canada. It hybridizes with native crayfish, displacing … crayfish that had native spothanded crayfish mitochondrial DNA … invaders are hybridizing with native species,” Rozansky said. …