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 ...

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 ...

In red-swamp crayfish, even though the optimum temperature for egg hatching was found to be 25 °C, egg hatching could occur at temperatures as low as 7 °C. The cumulative degree for egg-to ...

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 ...

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 ...

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 ...

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 ...