A Global Mission

The mission of the Ocean Census is to accelerate the discovery of ocean life to advance fundamental science, empower conservation, and fuel innovation for the future of our planet.

Join the Census

The Ocean Census Alliance unites national and philanthropic marine institutes, museums, and universities, backed by governments, philanthropy, business and civil society partners.

News

WoRMS announces Top 10 Marine Species of 2025

As for previous years, the World Register of Marine Species (WoRMS) has again released its annual list of the top-ten marine species described by researchers during the past year to coincide with World Taxonomist Appreciation Day on March 19th.

19/03/26

Streamlining species discovery: More than 100 new species of isopods discovered in just two weeks

Over two weeks, participants of the Isopod species discovery workshop worked through hundreds of specimens collected from expeditions ranging from Madagascar and New Zealand to the Arctic. The results were astonishing!

18/03/26

PRESS RELEASE: Japan’s Deep Ocean Reveals Dozens of New Species from Landmark 2025 Nippon Foundation–Nekton Ocean Census – JAMSTEC Expedition

Following the Ocean Census-JAMSTEC expedition, scientists have confirmed the discovery of 38 new species and identified 28 further potential new species across two of Japan’s most understudied deep-sea regions: the Nankai Trough and the Shichiyo Seamount Chain.

10/03/26

Small Creatures, Big Questions: Early-Career Taxonomists at the Isopod Species Discovery Workshop

In a bustling workshop room in Senckenberg am Meer, the air hums with the soft excitement of species discovery. Here, early-career researchers from across the world, as well as mid-career to retired experts, have gathered for a species discovery workshop, united by a shared fascination of isopods.

19/02/26

Supporting conservation through taxonomy: The Comoros Species Discovery Workshop

Building on the success of our co-founder Nekton’s First Descent: Comoros 2025 mission, this Species Discovery Workshop took place at the South African Institute for Aquatic Biodiversity (SAIAB) in Makhanda from January 26 to February 13, 2026.

13/02/26

“The Perfect Pair” Symbiotic Relationships of the Deep Blue

They say that two is better than one, and for some marine species, living as a pair means that they are able to survive, adapt, and thrive in complex and often challenging underwater environments.

10/02/26

Deepest gas hydrate cold seep ever discovered during the Ocean Census Arctic Deep expedition

A team of international scientists from UiT (The Arctic University of Norway), have discovered the deepest known gas hydrate cold seep ever, located 3,640 metres below the surface on the Molloy Ridge in the Greenland Sea.

10/01/26

Our Top 12 highlights from the Ocean Census in 2025

In 2025, the Ocean Census achieved exciting milestones in advancing the understanding and discovery of marine biodiversity.

05/01/26
A long, spiraling siphonophore glows with vivid golden tendrils that trail like cascading tinsel in dark water, giving a christmas-like shimmer to this drifting colonial marine species.

Tis’ the SEAson: 12 Christmas Inspired Marine Species

In the spirit of the “Twelve Days of Christmas,” we’ve gathered twelve remarkable marine species whose colours, shapes, and surprising behaviors capture the wonder of the season. 

17/12/25

Expedition
Spotlight

Marshall Islands

27 July – 17 August 2025

The Ocean Census is joining the Ocean Exploration Trust on it’s Marshall Islands Expedition to explore biodiverse deep-sea habitats.

Join the census

The Ocean Census Alliance unites national and philanthropic marine institutes, museums, and universities, backed by governments, philanthropy, business and civil society partners.