Fisheries

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

Kaharoa II

Kaharoa II

The state-of-the-art science platform has the capability of a larger vessel for a vast array of applications across the marine environment. Available for charter, Kaharoa II is a cost-efficient vessel with the latest equipment and technologies to enable world-class science

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  • Link to source page

    PIT tag

    Snapped! Tag reveals fish’s 20-year history

    Media release
    31 May 2022
    A fish has been caught in the same location that it was tagged, nearly 20 years ago to the day.

  • Link to source page

    Chasing deepsea shadows

    Feature story
    30 May 2022
    Mia Blyth catches up with a marine biologist hunting for ocean ghosts.
    Fish
    Sharks

  • Link to source page

    Removing barriers to ensure freshwater fish can complete their life cycle

    Media release
    19 May 2022
    New Zealand has just over 50 native freshwater fish species. Of these, 85 % are endemic and 75 % are deemed to be at risk of decline or are threatened.
    Fisheries
    Rivers

  • Link to source page

    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.
    Fisheries

  • Link to source page

    Cultural Keystone Species

    Research Project
    A four-year research programme focused on the co-management and restoration of our freshwater taonga species.
    Fisheries
    Freshwater
    Te Kūwaha and Māori

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    A robot sea craft helps count fish

    A six-metre-long autonomous vessel is equipped with artificial intelligence and a range of data gathering equipment, including a battery powered echosounder that can estimate the size of fish populations.
    Fisheries
    Oceans
    AI & deep learning

  • Link to source page

    Cutting-edge AI sea craft helping scientists count fish

    Media release
    21 February 2022
    A robot sea craft is the latest tool NIWA scientists are using to help them count fish.
    Coasts
    Fisheries
    Oceans

  • Link to source page

    2022 - Chatham Trawl Survey

    Voyage
    The NIWA research ship Tangaroa was chartered by the Ministry of Primary Industries to survey the hoki fishery on the Chatham Rise during January 2022.
    Fisheries
    Stock assessments and surveys
    Marine invertebrates

  • Link to source page

    Mapping the oceans through citizen science

    The Seabed 2030 South and West Pacific Ocean Data Center is one of four global Regional Centres, each being responsible for data gathering and mapping in their territory.
    Fish
    Oceans
    Bathymetry

  • Link to source page

    Will it be a fintastic fishing year?

    Feature story
    30 December 2021
    A marine heatwave is happening all around New Zealand. Warmer waters are more pleasant for swimming in and can create wilder weather. But what do they mean for fishing? Let’s dive into the science behind getting a good catch.
    Climate and weather
    Climate change
    Fisheries

  • Link to source page

    Surveying scallop populations with artificial intelligence

    News article
    21 December 2021
    Developing a non-invasive automated method of counting and measuring scallops to monitor their populations.
    Fisheries
    AI & deep learning

  • Link to source page

    Snapper on the rise

    News article
    18 December 2021
    Snapper are a highly abundant and iconic fish species in Aotearoa New Zealand, valued by a variety of stakeholders and tangata whenua. This popularity can see snapper populations placed under pressure from fishing.
    Fisheries