On 1 July 2025, NIWA merged with GNS Science to become Earth Sciences New Zealand.

Fisheries

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

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    NIWA goes deeper than ever before, and finds new strange-looking fish

    News article
  • 2012 - Secrets of the orange roughy

    News article
    Moored underwater cameras have exposed the secret lives of orange roughy nearly 900 metres below the ocean surface.
  • Fisheries

    Spatial Population Modelling

    Service
    The Spatial Population Model (SPM) can model populations over one or two areas, as well as populations in many hundreds of areas.
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    First-of-its-kind study finds wild mussel beds may recover

    News article
  • Southern Blue Whiting Fishery

  • Ecosystem Effects and Mitigation of the Toothfish Fishery

    Understanding the potential effects of Antarctic toothfish fisheries on Ross Sea ecosystem
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    Fisheries environmental impacts

    NIWA will be determining the impact of fisheries on the aquatic environment. This will inform an ecosystem-based approach to fisheries management and the development methods to mitigate this impact.
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    International fisheries

    NIWA aims to develop and apply standardised methodologies to monitor and assess international fisheries outside the New Zealand EEZ and determine the environmental effects of fishing in these areas.
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    Assessing fishery resources

    NIWA is developing and applying standardised stock monitoring and assessment methodologies for New Zealand's deepwater, inshore, and freshwater fisheries.
  • Fisheries research programmes

    NIWA aims to provide the key science services required by the national and international fisheries sectors and their industry partners.
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    In search of the giant kokopu