A Louisiana red swamp crayfish spreads its claws in a threat display. This crayfish was found in Fairfield, Ohio, hundreds of miles from its native range. A lazy summer day is a perfect time to ...

It turns out the creature the listener saw was a red swamp crayfish, and its presence in Chicago waterways is a warning sign. According to one ecologist, that particular crayfish species currently ...

Finding none wasn't necessarily bad — it meant the pond isn't overrun with red swamp crayfish, an aggressive invasive species that threatens to upend aquatic habitats in Michigan. Red swamp ...

The red swamp crayfish has a bad reputation, and not without good reason. "It really is the worst," says Lemmers. "It walks ...

For the past six years, Loyola University Chicago ecologist Reuben Keller and his students have been waging war against red swamp crayfish — a non-native threat to the environment. Over the ...

The Illinois Department of Natural Resources is reminding the public and seafood distribution companies that importing and having live red swamp crayfish (also known as Procambarus clarkii ...

Officials in West Michigan are working on the removal of the invasive “Red Swamp Crayfish.” Originally from Louisiana, the fish was found for the first time near Sunset Lake in Vicksburg back ...

It is a retention pond in Novi, where red swamp crayfish have been out-eating and out-pacing native species. But, the crustacean could be close to being out of time in Novi as teams of ...

On Wednesday, the Illinois Department of Natural Resources (IDNR) reminded the public that it is illegal to import and possess live red swamp crayfish, which are also known as crawfish ...

It is officially legal to bring the red swamp crawfish — aka crayfish or crawdads, depending who you ask — into Colorado. The crustacean is widely considered the most tasty for such culinary ...