Marine invertebrates

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.

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

Studying the mesopelagic in the Ross sea

A group of gorgonian octocorals that provide shelter for fish and invertebrates in the deep sea is the subject of NIWA’s latest Biodiversity Memoir.

Sadie Mills has come a long way from scaring the inhabitants of Scottish rock pools. Sarah Fraser explains.

It is interesting to watch all of the pieces of our science story come together with each day’s water sampling and our long term experiments.

New Zealand’s native fish are doing their best to climb up ramps in a NIWA laboratory so scientists can learn how to better help them navigate our tricky waterways.

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

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

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.

The NIWA Invertebrate Collection (NIC) holds specimens from almost all invertebrate phyla.