Balancing the sustainability of our fisheries stocks and the impacts of fishing on the environment with the economic opportunities

Open wide: Snapper teeth secrets
NIWA and University of Auckland masters student Georgia Third is getting up close and personal with snapper guts and teeth to understand the differences between biologically distinct snapper populations in New Zealand.

  • Shark conservation one watermelon at a time

    Media release
    Warrick Lyon is heading to the Marshall Islands to teach fisheries observers how to tag sharks.
  • NIWA undertakes an ambitious, complex seabed experiment

    Media release
    One of the most challenging scientific underwater experiments ever attempted by NIWA is taking place this month on the Chatham Rise.
  • Tonga’s line fishery

    Research Project
    NIWA is in its third year of a 5-year phased project on the deepwater line fishery in Tonga funded by the NZ Aid Programme’s Partnership for International Development Fund. The aim of the project is to deliver the improved governance, management, and economic and biological sustainability of the fishery focusing on deepwater snapper and bluenose in the Tonga EEZ.
  • Blog: The inhabitants of the twilight zone of the open-ocean - 15 March

    15 March 2018
    Think about a futuristic world where at night time, people use different kind of self-propelled vehicles to hover across cities, illuminating the skies with different colours and shapes, while transiting around them.
  • NIWA expertise contributes to healthy hoki fishery

    Media release
    When NIWA fisheries scientist Richard O’Driscoll went to sea earlier this year, he and his team measured so many fish that laid end to end, they would have stretched for 31km.
  • Scientists send snapper to boot camp

    Media release
    At a laboratory just outside Whangarei, scientists are putting very young snapper through comprehensive physical testing - including a full medical check-up involving smell, hearing, vision, and even anxiety testing.
  • 2018 - Chatham Rise hoki survey

    NIWA research ship Tangaroa has been chartered by the Ministry of Primary Industries to survey the Hoki fishery on the Chatham Rise during January and early February 2018.
  • Summer series 2017 - One fish, two fish…we're counting on you

    Feature story
    “You almost become a fishing psychologist – you can tell by the way people walk up the ramp to get their trailer if they’ve had a good day.”
  • Warming ocean to alter ecosystems and affect fisheries by end of century, says NIWA scientists

    Feature story
    Rapid warming of the ocean near Tasmania may provide a good indication of how the water around New Zealand will change as the planet warms, say NIWA scientists.
  • Machine learning ecosystem models

    Unlike other ecosystem models, machine learning is built solely from the information it is presented.
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    Ecopath with Ecosim (EwE)

    Ecopath with Ecosim (EwE) is trophodynamic modelling software that uses a mass-balance approach to describe ecosystem based, marine food web interactions.
  • Spatially explicit disturbance/recovery models

    Spatially explicit disturbance/recovery models are a cellular automaton that uses a mechanistic approach to investigate recovery rates of benthic species following disturbance events.