The crayfish likely entered the hatchery through contaminated water or released pets. The DNR is working to contain the infestation and monitor nearby lakes. Red swamp crayfish are prohibited in ...

The Michigan Department of Natural Resources recently confirmed the presence of invasive red swamp crayfish in an outdoor muskellunge rearing pond at Wolf Lake State Fish Hatchery in Mattawan, Van ...

MATTAWAN — The Michigan Department of Natural Resources has confirmed the presence of invasive red swamp crayfish in an outdoor muskellunge rearing pond at Wolf Lake State Fish Hatchery in Van Buren ...

MATTAWAN, Mich. (WOOD) — The Michigan Department of Natural Resources says invasive red swamp crayfish were found in an outdoor pond at the Wolf Lake State Fish Hatchery in Van Buren County. The DNR ...