Ontario is dealing with a newly confirmed invasive crayfish in its waters, and authorities have warned that the dark red, ...

State officials on July 24 said an invasive crayfish species that has been found in several Michigan counties was discovered in a rearing pond at Wolf Lake State Fish Hatchery. The Michigan Department ...

The Ontario Federation of Anglers and Hunters has warned red swamp crayfish are now confirmed in Ontario, with a reproducing population in Tilbury and a localized population in Lake Aquitaine.

They’re red, have pincers that can draw blood and are quickly taking over a handful of Michigan ponds. The red swamp crayfish are in Michigan, and the fear is that they could be here to stay. Known in ...

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 ...

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A Louisiana company was convicted of illegally transporting freshwater crustaceans into Wisconsin, resulting in the invasive species being found in state waters. Louisiana Crawfish Co. was convicted ...

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The red-swamp crayfish Procambarus clarkii is a highly invasive species native to American freshwaters but has also invaded many freshwater ecosystems around the world. Now, researchers conducted a ...