Oceans

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

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.

We are currently steaming out towards our survey area, the Louisville Seamount Chain, which is about 1500 km from Wellington.

A basket star was the first reported animal trawled up from the deep sea back in the early 1800s so they have a spot in the history books of deep ocean exploration.

NIWA collects wave data, develops and verifies wave forecasting systems, and is developing and producing wave projections.

Casal2 is an advanced software package developed by NIWA for modelling the population dynamics of marine species.

This identification guide covers the common crustose coralline algae found in central New Zealand.

In this blog series, we feature a new critter from our expansive invertebrate collection including pictures of specimens in their unique habitat. The blogs also feature news, links and fun facts that showcase New Zealand’s fascinating marine fauna.

Rig shark is an important inshore commercial fish species in New Zealand, and we need to understand more about their habitats, movements, nursery grounds and vulnerability to human impacts to ensure they are managed sustainably and their productivity is enhanced.

NIWA oceanographer Dr Cliff Law explains the impacts of ocean acidification on organisms that use carbonates to build their shells, and on bacteria.