New Zealand Freshwater Fish

DSC_1456 Koi carp (Cyprinus carpio) are an ornamental strain of the common carp native to Asia and Europe. One of the most invasive fish species worldwide, koi feed by vacuuming up detritus and blowing unwanted sediments back out, making the water turbid and changing the habitat. This sign promotes a pioneering project to remove koi from Lake Waikare in the Waikato *

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