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.

  • Catch sampling

    Feature story
    The ear bone of a snapper holds a wealth of information. However, it is not until you look at thousands of them that the picture of a population reveals itself. So where do you get 10,000 snapper ear bones from?
  • Commercial catch sampling

    The Otolith is the earbone of the fish and like the rings on a tree it can tell us about the story of the fish's life.
  • Retired scientist completes four-decade-long bibliographic work

    Media release
    After 40 years of work, retired NIWA fisheries scientist Larry Paul has just published a 793-page bibliography of references to New Zealand marine fishes. Everything known and ichthyological that appears in our waters is referenced in the voluminous tome.
  • Surveying scallops populations with artificial intelligence

  • Taonga Species Series: Piharau

    Feature story
    What does science tell us about New Zealand lamprey?
  • Research finds microplastics in fish muscle tissue

    Media release
    Some of the first research into how microplastics are affecting New Zealand fish species has revealed that microplastic fragments can find their way through the gut lining and into muscle tissue.
  • Examining biodiversity and ocean dynamics in the world’s largest marine protected area

    Researchers are working their way through a wealth of new Antarctic marine data after RV Tangaroa successfully completed its five week scientific voyage to the Ross Sea.
  • Oceanic shark numbers decline amid research gaps

    Media release
    A lack of information about New Zealand oceanic shark populations is making it difficult to assess how well they are doing, says a NIWA researcher.
  • How does a fish climb a ramp? Very, very cleverly…

    Feature story
    New Zealand’s native fish are doing their best to climb up ramps in a NIWA laboratory so scientists can learn how to better help them navigate our tricky waterways.
  • Iceberg in the Ross Sea.

    2021 - Antarctic Voyage

    RV Tangaroa undertook a 45-day voyage to the Southern Ocean and Ross Sea in January-February, 2021.
  • NIWA heads to Antarctica for critical climate, ocean research

    Media release
    NIWA’s flagship research vessel Tangaroa leaves soon on a six-week voyage to Antarctica, making it one of the few full scientific expeditions to the continent since the global outbreak of COVID-19.
  • Scientist spots shark sperm storage strategy

    Feature story
    A NIWA researcher has found the first evidence that female deep sea sharks store sperm as a strategy to preserve the species and possibly avoid aggressive mating encounters.