New efforts rolled out to control pest fish koi carp in Waikato lakes - NZ Herald

New efforts rolled out to control pest fish koi carp in Waikato lakes - NZ Herald

Northland survey of pest fish koi carp and rudd shows good and bad news - NZ Herald

Koi carp: New Zealand animal pests and threats

Koi carp

Farmers Weekly NZ May 22 2017 by AgriHQ - Issuu

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