Oceans

Shellfish gathering and farming take place in marine and freshwater environments.

Technical information about our datasets and methodology along with related resources.

Where and when do white sharks occur in New Zealand waters, and how can fisheries bycatch be reduced?

The world’s oceans are acidifying as a result of the carbon dioxide (CO2) generated by humanity.

Hydrocarbons, although requiring increasingly responsible use, are still an essential part of our modern economy. NIWA has provided survey and consultancy services related to the exploration of offshore mineral resources for thirty years.

An unavoidable delay in a research ship’s voyage to Antarctica resulted in some surprising and important findings about the behaviour of emperor penguins.

Useful information and resources on New Zealand's marine flora and invertebrate fauna.

The coldest seawater on earth could help scientists understand why Antarctic sea ice is growing in a warming world

NIWA scientists have made the rare discovery of a days-old ghost shark during a recent survey off the east coast of the South Island.

RV Tangaroa is New Zealand’s only ice strengthened and dynamically positioned deep-water research vessel.

Hull-mounted on the RV Tangaroa, the EM302 multibeam echosounder maps the seafloor using a fan of 288 acoustic beams, producing up to 864 soundings per ping in dual swath mode, providing 100% coverage of the seabed.