Coasts

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

  • Critter of the Week: Coronaster reticulatus – a Kermadec seastar

    On 29 September 2015 the Prime Minister of New Zealand, Rt Hon John Key, announced a new Kermadec Ocean Sanctuary stretching from Raoul Island in the north to L’Esperance Rock in the south – covering an area of 620,000 square kilometres of ocean.
  • Critter of the Week: Dagnaudus petterdi – the antlered crab

    Although it boasts a pretty nice pair of antlers, you won’t be seeing today’s critter pulling Santa’s sled anytime soon, being a small crab that lives at great depths.
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    NIWA Biodiversity Memoirs

    The NIWA Biodiversity Memoir series comprises comprehensive, definitive, illustrated reference works that capture the rigorous, peer-reviewed scientific study of New Zealand’s distinctive marine fauna and flora.
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    Marine identification guides and fact sheets

    On this page you will find useful information and resources on New Zealand's marine flora and invertebrate fauna.
  • Critter of the Week: a new species under our feet -update

    This week we re-visit a recent blog featuring some new nematode worm species discovered at Hataitai beach in Wellington.
  • NIWA launches two new marine identification e-guides: Coastal Crabs and Splendid Sponges

    News article
    Where in New Zealand might you find a witchy finger sponge or a pie-crust crab? The answer will be found in New Zealand’s first series of electronic identification guides for marine invertebrates.
  • Critter of the Week: Macrolabrum maui – a hermit with a difference

    Some of our colleagues have just published an article on a new species of tanaid from New Zealand that was found living inside tiny gastropod shells!
  • Critter of the week: Falsimargarita gemma - the iridescent Antarctic snail

    This iridescent snail from the freezing cold, deep waters of Antarctica is Falsimargarita gemma (E. A. Smith, 1915).
  • Critter of the Week: the solitary cup coral - Stephanocyathus spiniger

    This stunning creature is a solitary stony cup coral species, Stephanocyathus spiniger (Marenzeller, 1888).
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    Tiny find fascinates squid scientists

    News article
    Another colossal squid is under examination in Wellington, but this one could fit in the palm of your hand.
  • Critter of the Week: Trophomera sp.: the lowest of the low

    This week we introduce to you the deepest parasite ever recorded, a nematode of the genus Trophomera Rubtzov & Platonova 1974.
  • Kapiti Multibeam Survey