Oceans

In 1872 the HMS Challenger left Portsmouth in the UK on a four-year circumnavigation of the globe to explore the deepsea.

Jellyfish blooms are likely to be a common sight this summer with rising ocean temperatures one of the main causes of substantial population growths.

How do humans impact shallow marine environments?

Check out the latest critter of the deep, with Sadie Mills!

Acoustic monitoring of sperm whales

Our team of researchers have recently returned from a voyage onboard RV Tangaroa to retrieve moorings deployed to collect sediment samples from the Kaikōura Canyon.

NIWA forecasters say a marine heatwave is forming around parts of New Zealand after sea surface temperatures (SSTs) warmed considerably last month.

Small orange flecks spotted floating around in a respiration chamber at a NIWA laboratory have led to a discovery about the spawning habits of a deep-sea stony coral in New Zealand waters.

An interactive guide to the sea slugs of New Zealand.

A global survey involving 123 scientists from 58 nations raises concerns about the global status of reef sharks.

A six metre-long autonomous trimaran fitted out with a NIWA echosounder is being used as part of an innovative research collaboration.

Richard O'Driscoll is principal scientist and the program leader for stock assessment and monitoring.