Procambarus clarkii is a crustacean species native to American freshwater bodies. Brought to Japan in the 1920s as a feed for frogs, this crustacean has slowly taken over the Japanese freshwaters by ...

It is not a fair battle: Two scientists on a tiny boat against one of the world's most invasive species. For the past six years, Loyola University Chicago ecologist Reuben Keller and his students have ...

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 ...

Royal Oak — Knee deep in a pond behind Royal Oak High School, Mikela Dean split open a tubular wire trap she had extracted from the mucky water. Nothing inside. Again. Dean, watershed ecologist for ...

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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" ...