They can't survive the winters, unless they happen to get into a river near an industrial plant where the water rarely drops below 70 degrees even in Feb. I know of two such places in the Rochester area, I am sure every major city has a few.
However one released in June can do a massive amount of damage before it dies in November! Don't forge that.
However one released in June can do a massive amount of damage before it dies in November! Don't forge that.
