New Zealand Freshwater Fish

DSC_1467 Koi carp (Cyprinus carpio) habitat. Koi are native to Asia and Europe, they feed by vacuuming up detritus and blowing unwanted sediments back into the water column, making the water turbid and changing the habitat as can be seen here. Koi are considered one of the most invasive fish species worldwide. Whangamarino River *