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

Pablo on RV kaharoa

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

    Restoring Kōaro in the Rotorua lakes

    Research Project
    The kōaro was once abundant in the Te Arawa lakes near Rotorua in New Zealand’s North Island. NIWA has assessed the viability of restoring this species in the region.
    Fisheries
    Freshwater fish
    Freshwater restoration

  • Link to source page

    RV Tangaroa in Wellington harbour, 2017

    Echosounder technology

    Service
    ESP3 is the main tool at NIWA for quantitative analysis of acoustic data.

  • Link to source page

    Other research instruments

    Service
    Scientists across NIWA use specialist tools manufactured across the world to perform their research and environmental consultancy.
    Coasts
    Fisheries
    Oceans