Collier, Kevin J.2015-11-1020152015-11-102015Collier, K. J. (2015). Legal status of Rudd, Catfish, Goldfish – fact sheet. Hamilton, New Zealand: Lake Ecosystem Restoration New Zealand (LERNZ), University of Waikato.https://hdl.handle.net/10289/9724New Zealand has a total of about 36 native freshwater fish species, and a further 22 species (equivalent to 38% of all freshwater fish species) 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