Oceans

Ocean acidification is the name given to the lowering of pH of the oceans as a result of increasing carbon dioxide (CO2) in the atmosphere.

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

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?

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

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

Charts of coastal bathymetry, sediment, and other information are available for purchase.

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

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

An interactive guide to the sponges of New Zealand.

New Zealand faces a variety of hazards associated with undersea geological activity.