Oceans

Coastal sea temperatures around Aotearoa New Zealand have risen well above average, NIWA forecasters say.

Two kororā chicks – also known as little blue penguins – have hatched in Wellington. They were born in a protective nest box in Evan’s Bay, set up by NIWA and Places for Penguins, in partnership with the Urban Wildlife Trust.

RV Tangaroa has sailed to the Macquarie Ridge to under charter by Australia’s CSIRO Marine National Facility to recover ocean bottom seismometers and acquire multibeam sonar and sub‐bottom profile data in the Macquarie Island region.

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?

A break in the clouds in a remote Fiordland valley and a chance encounter with a jellyfish under the Antarctic ice provide just some of the highlights from this year’s NIWA Staff Photography competition.

New NIWA-led research shows increasing flood risk is going to be what leads people to make changes to adapt to sea-level rise.

With cascading waterfalls and native bush tumbling down mountainous terrain, Fiordland is one of the most eye-catching parts of the country. But peer beneath the waves and you'll see that Fiordland's marine invertebrate and seaweed communities are every bit as remarkable and awe-inspiring.

A project is under way to determine whether Aotearoa New Zealand’s long defunct rock oyster industry can be revived.

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.

An interactive guide to the marine biota of the Fiordland (Te Moana o Atawhenua) Marine Area.

The Inner Hauraki Gulf/Tīkapa Moana ecosystem is facing proliferations of algae, de-oxygenation, reduced pH (acidification), reduced water clarity, and muddier sediments arising from historical and future land-derived contaminant inputs.

Developing innovative, non-invasive alternatives for surveying scallops and harvesting.