Lake Tahoe's postcard-worthy views conceal a much larger problem beneath the surface: Invasive signal crayfish are estimated to number between 240 million and 280 million in the lake. The same kind of ...

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 ...

Red swamp crayfish – a species that is native to the southern United States but prohibited in Michigan – was found in a state hatchery pond in Van Buren County, Michigan. The Michigan Department of ...

MATTAWAN, MI — The Michigan Department of Natural Resources is attempting to figure out how an invasive crayfish entered a pond at one of its fish hatcheries. On Thursday, July 24, the DNR said it ...

Add Yahoo as a preferred source to see more of our stories on Google. Photo Credit: iStock In some of America's most familiar lakes, invasive crayfish now number in the millions, and their impact ...

Add Yahoo as a preferred source to see more of our stories on Google. Photo Credit: iStock Lake Tahoe's postcard-worthy views conceal a much larger problem beneath the surface: Invasive signal ...

Invasive red swamp crayfish have infiltrated a west Michigan fish hatchery, the Michigan Department of Natural Resources said Thursday. The hatchery staff found two carcasses of "unusual crayfish" ...