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Atlantis ecosystem model
Atlantis is a 3D, spatially-explicit, trophodynamic ecosystem model that integrates biology, physics, chemistry and human impacts to provide a synoptic view of marine ecosystem function. -
Tuna - solutions: upstream passage for elvers at large barriers
Instream structures such as hydroelectric dams may act as barriers to fish migration, and have the ability to alter the ecological connectivity of freshwater environments. -
New Zealand fish passage guidelines
Research ProjectThe New Zealand Fish Passage Guidelines sets out recommended practice for the design of instream infrastructure to provide for fish passage. -
Determining the age of fish
Research ProjectNIWA expends considerable effort on determining the age of commercial fish species. But why age a fish? And how do we do it? -
Climate Change Vulnerability Assessment (CCVA)
ServiceTo prepare for changes in climate, our freshwater and oceans decision-makers need information on species vulnerability to climate change. -
Summer Series 5: Paua is a summer delicacy. Dig deep for the blackfoot sea snail!
News article06 June 2017 -
Taonga Species Series: Pātiki
Feature story06 June 2017What does science tell us about New Zealand flounder? -
“Very rare find” of ghost shark hatchling
Media release06 June 2017NIWA scientists have made the rare discovery of a days-old ghost shark during a recent survey off the east coast of the South Island. -
NZ Freshwater Fish Database Help
Learn how to use the New Zealand Freshwater Fish Database (NZFFD)