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 ...

Red swamp crayfish are here to stay ... call “keystone species”: organisms that are critical for the structure of entire ecosystems. They eat a wide variety of foods, from leaf litter to ...

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 ...

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 ...

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 ...

The DNR cites an example of red swamp crayfish discovered in two retention ponds in Germantown in 2009. Eradicating them cost about $800,000. The only crayfish native to Wisconsin are: ...

SPRINGFIELD, Ill. (KFVS) - The Illinois Department of Natural Resources is reminding the public that importing and possessing live red swamp crayfish, also known as crawfish, is illegal in Illinois.

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 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 ...