Watch as I train my baby MBU puffer to hunt and eat live crayfish a key step in developing natural feeding instincts. From hesitant nibbles to confident strikes, it’s a journey of growth and predator ...

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 ...

Williams said he believes the mutation was caused by two rare occurrences, the first being a developmental anomaly where the egg cell had two nuclei instead of one. That would mean it had two sets of ...

Williams recognized the extremely rare bilateral color variation, a mutation he had previously read about in lobsters and observed in an American redstart bird. The class brought the crayfish back to ...

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 ...

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" ...