On 1 July 2025, NIWA merged with GNS Science to become Earth Sciences New Zealand.

Coasts

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

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    The face behind the name. Critter of the Week, brittlestar Ophiomusium lymani

    Continuing our series ‘the face behind the name’, this week’s critter takes a closer look at the prominent 19th century naturalist Theodore Lyman III and the species Ophiomusium lymani.
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    Critter of the Week. A grumpy crab Liocarcinus corrugatus

    We guess we would look grumpy too if our common name was ‘wrinkled swimming crab’.
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    The face behind the name. Critter of the Week, amphipod Camacho nodderi

    Who doesn’t want to have a species named after them? It’s usually one of the ultimate acknowledgements and the taxonomist describing the species can honour colleagues who have made a particular contribution to a field of science or have provided support for their work.
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    Critter of the Week - Placogorgia the plexaurid

    This delicate little gorgonian coral was collected from around 1300 metres depth from the Louisville seamount chain east of New Zealand.
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    A living fossil - Critter of the Week - Protulophila gestroi

    If this is looking familiar, you may have read the NIWA press release or one of the many news sites that featured the exciting discovery of this living fossil.
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    Critter of the Week - Asperoteuthis lui

    This week we introduce to you a rare species of squid.
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    Critter of the Week - the rock pen - Anthoptilum gowlettholmesae

    Sea pens are generally found in deep sea soft sediment habitats (rarely are they encountered by divers).
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    Critter of the week - What’s for dinner? Parazoanthus and Nyctiphanes

    Award-winning underwater photographer Richie Robinson spotted this little common euphausid shrimp Nyctiphanes half emerging from a polyp of the zoanthid at the Poor Knights Islands.
  • Ocean acidification - What does it mean for Shellfish?

    This video has been produced to highlight ocean acidification as a potential issue affecting the NZ shellfish aquaculture industry
  • NIWA antarctic buoy deployed

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    Scientist plumb depths in search of clues to the earth’s climate

    News article
    NIWA scientists are this month launching some cutting-edge technology capable of finding out what's going on at the bottom of the ocean.
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    Northern-hemisphere fossil discovered living in New Zealand

    News article
    A marine animal thought to have been extinct for four million years has been found alive and well and living near Picton.