Tuna, or freshwater eels, are the most widespread freshwater fish in New Zealand. This 'living' educational resource summarises a large amount of scientific and technical literature.

Inanga are the predominant species in the modern whitebait fishery.

If you're moving to join us here at NIWA, we want to say thanks for choosing us by helping you with your big move.

Impacts of timber processing activities on water quality and mahinga kai.

In this activity you will analyse the Southern Oscillation Index and investigate the chances of getting below normal, normal or above normal summer temperatures in Invercargill.

Extremes of temperature are rare as the Chatham Islands are small land masses surrounded by sea.

New Zealand faces a variety of hazards associated with undersea geological activity.

One of the major consequences of climate change is rising global sea levels.

New Zealand's first eel farm was established in 1971. Despite other farms opening in later years, no eel farms remained by the start of the 1980s.