Quite how these fish were introduced with a carp stocking is debatable. Were the fish from another infected water? An infected fish farm? Or illegally stocked from France? But we are constantly told that fish are moved by birds so.....?
Anyway, clear 'em out and start again, then have a go at signal crayfish (too late and impossible to exterminate) and those otter things, I'm sure I heard one with a foreign accent - honest
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