Fish

Latest news

The New Zealand ship Janas has recently returned from a six-week winter research voyage to the Ross Sea where scientists made the first observations of developing Antarctic toothfish embryos.
NIWA is heading out into the Hauraki Gulf this month to carry out a survey of juvenile snapper– the first of its kind for 20 years.
Microplastics are being fed to snapper, New Zealand’s most popular recreational fish species, at NIWA’s aquaculture research facility near Whangarei in a bid to establish some baseline data about how fish are being affected.
NIWA researchers are seeking the help of divers, snorkellers and lobster potters in the Hauraki Gulf and Bay of Plenty to learn more about how rock lobster are faring.

Our work

NIWA is looking for people who have had a long association with the Hauraki Gulf or Marlborough Sounds to help them with a research project on juvenile fish habitats.
NIWA is supporting the advancement of the New Zealand aquaculture sector through the development of high value products of verifiable quality and sustainability.
The New Zealand Fish Passage Guidelines sets out recommended practice for the design of instream infrastructure to provide for fish passage.

Māori communities around the country note that the abundance, size and/or distribution of tuna, kōura and kāeo/kākahi is declining and that current populations aren’t sufficient to meet their needs.

Latest videos

Freshwater fish swim their all for science
The tiny inanga have been plucked from Waikato streams and held in a darkened laboratory for the last month, undertaking highly advanced testing to find the strongest, fittest and fastest fish.
Ocean acidification - what is it?

The on-going rise of carbon dioxide (CO2) in the atmosphere is not only changing our climate—it is also changing our oceans. Take a look at the work of the NIWA-led CARIM project into what these changes may mean for the delicate balance of marine life.

Exploring the deepsea

Despite many centuries of maritime exploration, only a fraction of our planet's seafloor has been observed. NIWA Deepsea Scientist Di Tracey tells us what it feels like to probe deep beneath the waves to see what's living on the ocean floor.

Mesopelagic trawl from the RV Tangaroa October 2016 Kermadec Voyage
Using a very wide net to complete a 960m deep mesopelagic trawl near the Kermadec Islands has brought up a large number and diverse range of deep water species.

The abundance and sizes of fish within the Kapiti Marine Reserve have impressed research divers who have just completed a survey to assess how well the marine environment has recovered since it was protected in 1992.

French researchers are now, or soon to be, closely involved in a range of New Zealand environmental and marine studies taking in such diverse activities as migratory problems of fish including eels, the foraging habits of royal albatross in southern oceans, and the potential tsunami impact of undersea landslides.

Crayfish living along the Abel Tasman National Park coastline will be introduced to the silicon chip age later this month.

New findings by scientists at the National Institute of Water and Atmospheric Research (NIWA) have revealed that the death of kina, starfish, and possibly other fishes, in late January and early February off the Kaikoura coast appears to be linked to toxic algae.

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All staff working on this subject

Hydro-ecological Modeller
Principal Scientist - Fisheries
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Population Modeller
Principal Scientist - Fisheries
Assistant Regional Manager - Christchurch
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Fisheries Acoustics Scientist
Principal Scientist - Fisheries
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Freshwater Fisheries Ecologist
Principal Scientist - Fisheries
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Principal Technician - Fisheries
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Freshwater Fish Ecologist
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Fisheries Scientist
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Marine Ecology Technician
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Principal Technician - Fisheries
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Environmental Scientist
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