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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Fisheries science

Our Mission is to provide impartial scientific advice to inform managers, stakeholders, and Māori partners

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  • Link to source page

    Studying Antarctic silverfish spawning in Terra Nova Bay

    This research will investigate whether Antarctic silverfish eggs are spawned elsewhere or whether there is a mass migration of silverfish to their coastal spawning sites each winter.
    Antarctica
    Fisheries
    Oceans

  • Link to source page

    Trawl surveying demersal fish species on the Ross Sea slope

    Commercial toothfish fishing in the Ross Sea has the potential to affect some demersal (bottom-dwelling) fish species in the region through by-catch and ecosystem changes.
    Antarctica
    Fisheries
    Oceans

  • Link to source page

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    Using MICE to understand fish

    Media release
    30 April 2014
    More than 50 scientists from across the globe are meeting in Wellington this week to discuss how newly developed technology can best help countries manage their marine fisheries.

  • Link to source page

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    Blue Cod Behaviour

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    A Different Kettle of Fish

    Take a look inside NIWA's facilities - the species, the science and the future of our aquaculture industry.
    Fisheries

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    Snapper: Coastal juvenile

    Coastal juvenile snapper

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    Snapper: Settlement juvenile

    Juvenile snappers

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    Snapper: Larvae

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    Ecosystem influences on snapper

    Research Project
    NIWA has a number of projects that are allowing us to better understand the interaction between snapper and their environment over their life cycle.
    Fisheries

  • Link to source page

    Acoustic and radio telemetry

    Radio and acoustic tracking of fish (or any animal) allows the movement and activity of animals to be recorded over the life of the transmitter (battery size dependent).
    Fish
    Scientific Tools & Data

  • Link to source page

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    Summer Series 3: A mako shark named Carol

    News article
    07 January 2013
    The mako shark is fast and fascinating. The shortfin mako, Isurus oxyrinchus, has been recorded swimming at speeds of about 100km/h.
    Fisheries

  • Link to source page

    A haul of hoki.

    Fisheries and EcoConnect

    Service
    EcoConnect provides the New Zealand fishing industry with a unique operational decision-making tool to help mitigate commercial, operational, and environmental risk.