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 ...

A wildlife conservation charity said white-clawed crayfish, which are an endangered species, have been released into a pond in Devon. Wildwood Devon, a wildlife park based in Ottery St Mary, said ...

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" ...