Fisheries

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

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    Summer Series 10: Super snapper! Delicious!

    News article
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    Seafood sector

    NIWA's seafood sector work comprises our fish, fisheries and aquaculture research and consultancy.
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    What are whitebait?

    Whitebait are the juveniles of five species of galaxiidae, a family of fish confined to the Southern Hemisphere.
  • Guidelines for sampling freshwater fisheries

    We have prepared a breakdown of the different guidelines that are available for sampling freshwater fisheries. The overview provides links to key documents that explain what should be considered when designing fish monitoring studies and how to implement the various sampling techniques.
  • Deidre Cleland

    Scholarships

    Scholarships available to both Masters and undergraduate students in the fields of fisheries science and marine biology.
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    Trawl fisheries bycatch

    Accurate reporting on the amount of fish and invertebrates that are caught and discarded by New Zealand’s commercial fishing industry is vital to effective management of these fisheries.
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    Biological limitations

    Identifying biological factors that may be limiting fish numbers requires sampling to ensure that key invertebrate prey species are not scarce and that pest fish, especially predators, are not abundant.
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    Estimated bycatch

    View data that show reported target catch and estimated bycatch.
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    Tuna - freshwater eels in New Zealand

    Tuna is a generic Māori word for freshwater eels. The word will be used interchangeably in this resource.
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    New Zealand's Marine Realm

    News article
    NIWA has transformed 1.5 million square kilometres of data into the most accurate and detailed map yet of the land underneath the sea around New Zealand.
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    Tuna - age and methods of ageing

    Currently, the most reliable method to estimate the age of tuna is by examination of their otoliths or "ear bones"
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    Population modelling software

    Casal2 is an advanced software package developed by NIWA for modelling the population dynamics of marine species.