Tempero, Grant Wayne2015-11-1020152015-11-102015Tempero, G. W. (2015). New Zealand pest fish species: Koi carp and Gambusia – fact sheet. Hamilton, New Zealand: Lake Ecosystem Restoration New Zealand (LERNZ), University of Waikato.https://hdl.handle.net/10289/9719New Zealand has a total of about 36 native freshwater fish species, and a further 22 (39% of all freshwater fish) have been introduced from overseas. Like all introduced species, they have some impact on New Zealand's native ecosystems, but some cause more problems than others.application/pdfenOther