Fisheries

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

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.

  • Science of the high seas

    Feature story
    Ever wondered what fish is served in a Filet-o-Fish at MacDonald’s? It’s hoki. Fish fingers at the supermarket? Chances are, they’ll be hoki too.
  • Gone fishin'

    Feature story
    If you want a healthy fishing industry, you need to know how healthy your fish stocks are. Sam Fraser-Baxter talks to a scientist who went to sea to find out.
  • Scientists brave winter in Antarctic waters

    Media release
    The New Zealand ship Janas has recently returned from a six-week winter research voyage to the Ross Sea where scientists made the first observations of developing Antarctic toothfish embryos.
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    NIWA to survey young snapper in Hauraki Gulf

    Media release
    NIWA is heading out into the Hauraki Gulf this month to carry out a survey of juvenile snapper– the first of its kind for 20 years.
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    Fish snack on microplastics

    Media release
    Research shows how fish are being affected by microplastics.
  • Researchers seek help on lobster catches

    Media release
    NIWA researchers are seeking the help of divers, snorkellers and lobster potters in the Hauraki Gulf and Bay of Plenty to learn more about how rock lobster are faring.
  • Scientists help lamprey to spread the love

    Media release
    Contraptions that resemble upside-down kitchen sinks have been placed in the Waikawa River in Southland to attract a notoriously elusive native fish species.
  • Scientists study eels by moonlight

    Media release
    Under the light of the moon where the river meets the sea, NIWA researchers are planning to catch tiny fish that are all but invisible to the naked eye.
  • Scientists hoping to solve great eel mystery

    Media release
    NIWA freshwater scientists are pinning their hopes of solving an age-old mystery on 10 female longfin eels who are about to begin an epic journey to their spawning grounds somewhere in the Pacific Ocean.
  • Freshwater fish swim their all for science

    The tiny inanga have been plucked from Waikato streams and held in a darkened laboratory for the last month, undertaking highly advanced testing to find the strongest, fittest and fastest fish.
  • Freshwater fish swim their all for science

    Media release
    In a secret training location on the outskirts of Hamilton, a squad of whitebait is being put through its paces by fish scientists.
  • Ocean acidification—what is it?

    The on-going rise of carbon dioxide (CO2) in the atmosphere is not only changing our climate—it is also changing our oceans.