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Giant kōkopu
The largest member of the Galaxiidae family. -
Inanga
Inanga are the predominant species in the modern whitebait fishery. -
Kanae
Grey mullet have a worldwide distribution and Aotearoa is at the southern limit of their range. -
Kōaro
Kōaro are excellent climbers and like clear, swiftly flowing, forested streams. -
Shortjaw kōkopu
Has a receding lower jaw and black spots behind the head. -
Smelt
Smelt have a distinctly forked tail and a strong cucumber smell. -
Restoration and enhancement of piharau / kanakana / lamprey
Research ProjectNIWA is leading a new six-year research project that seeks to increase our understanding of piharau/kanakana/lamprey, using Mātauranga Māori, social science and biophysical science approaches. -
Tuna - habitat
Tuna are found in all sorts of habitats (places), including coastal estuaries, lakes, wetlands, rivers, mountain streams and even alpine tarns. -
Biosecurity tools
Software Tool/ResourceOur biosecurity management tools include: assessment models, field surveys, management advice and the testing of control methods. -
Freshwater pest species
This is a user guide on non-native fish, reptile, invertebrate, algal and plant species that are recorded in New Zealand freshwaters. -
Reintroducing giant kōkopu to Nukumea Stream
Research ProjectThe giant kōkopu is a native whitebait species considered rare and vulnerable. NIWA is working with Mahurangi Technical Institute and environmental consultancy Boffa Miskell to test the feasibility of reintroducing giant kōkopu to Nukumea Stream, north of Auckland.