Red swamp crayfish like this one are on the aquatic invasive species list in Minnesota and Wisconsin. They are illegal to have alive but they will be on the menu Saturday at the Sea Grant "Tails and ...

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 ...

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