Koi or pet goldfish released in MN lake responsible for carp die-off, DNR says
An ornamental koi or pet goldfish is believed to be responsible for a large-scale die-off of thousands of common carp in a lake in southern Minnesota last month.
An ornamental koi or pet goldfish is believed to be responsible for a large-scale die-off of thousands of common carp in a lake in southern Minnesota last month.