Koi aren't lightweights either; they typically tip the scales around 35 pounds (16 kg), and experts advise filling a pond ...
District fish biologists removed the large koi which was most likely intentionally released into the McKenzie River. Koi can live up to 25 years, reproduce rapidly, and can survive very cold winters.
The Oregon Department of Fish and Wildlife has removed an invasive koi fish from the McKenzie River near Eugene. The fish was fish spotted Dec. 18 near the Armitage Boat Landing. The large koi was ...