NIWA aims to provide the knowledge needed for the sound environmental management of our marine resources.

  • Bounty trough-comp-image

    Ocean Census – Bounty Trough research voyage

    A team of scientists spent 21 days investigating the unexplored Bounty Trough
  • Marine heatwaves

    Research Project
    Temperatures around Aotearoa New Zealand are increasing, and not just on land. Amid a changing climate, significant marine heatwaves have impacted Aotearoa over the past decade and are expected to become more frequent and intense.
  • RSNZ (2).jpg

    NIWA Invertebrate Collection

    Software Tool/Resource
    The NIWA Invertebrate Collection (NIC) holds specimens from almost all invertebrate phyla. This is a result of about half a century of marine taxonomic and biodiversity research in the New Zealand region, the South West Pacific and the Ross Sea, Antarctica.
  • Tonga eruption and tsunami shock the world

    The Hunga-Tonga Hunga-Ha'apai (HT-HH) volcano was like a massive shotgun blast from the deep, generating the biggest atmospheric explosion recorded on Earth in more than 100 years.
  • Argo floats

    Research Project
    Since the early 2000s, NIWA has been part of the international Argo programme, which is deploying floats to measure temperature and salinity throughout the world's oceans.
  • Plankton in the Ross Sea

    Follow a group of NIWA scientists investigating various aspects of plankton which are the base of the Antarctic oceans food web.
  • Seabed 2030

    Research Project
    NIWA is leading a New Zealand partnership to map the South and West Pacific Ocean's seabed as part of a worldwide initiative to map the entire globe’s seafloor.
  • Algae production

    NIWA is working on macroalgae and microalgae with a wide range of stakeholders, government agencies, current clients and potential partners.
  • Download Bathymetry Data

    Software Tool/Resource
    This dataset provides the most up-to-date bathymetry of one of the largest areas of deep-water seabed under national jurisdiction. The 250m resolution gridded bathymetric data set encompasses New Zealand's Exclusive Economic Zone and is available in multiple high-resolution file formats to suit a range of imagery and mapping needs.
  • Ocean gliders

    Using a novel observational platform – ocean gliders—this research will observe and understand subsurface variations in temperature, salinity, oxygen and biological factors in water shallower than 200 metres – what we consider to be the shelf seas.
  • Biodiversity Memoirs

    Publication series
    The NIWA Biodiversity Memoirs are comprehensive, definitive, illustrated reference works that capture the rigorous, peer-reviewed scientific study of New Zealand’s distinctive marine fauna and flora.
  • Tagging sharks in Fiordland 2

    Tagging Fiordland sharks to monitor climate change

    Media release
    Tracking changes in broadnose sevengill sharks' behaviour in a warming climate.