A Global Mission

The Ocean Census is a global mission to discover, document and share the diversity of life in our ocean — before it’s lost.

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We are an Alliance of scientists, governments, marine research institutes, museums, philanthropy, technology, media and civil society partners.

News

Diver clears Shinkai 6500 after attaching crane. dive site, Shichiyo Seamounts, and deep-sea expedition.

JAMSTEC Shinkai Expedition – Dive Site: Shichiyo Seamounts

Rising from the deep seafloor south of mainland Japan, the Shichiyo Seamounts, a dive site of the JAMSTEC Shinkai expedition, are part of a chain of underwater volcanoes formed by tectonic activity along the Izu–Ogasawara Arc.

18/06/25
Crew members in brightly colored safety gear guide a deep-sea submersible being lowered into the ocean from a research vessel during a scientific operation. The submersible is suspended mid-air by a large deployment crane as it prepares to descend to a designated dive site in the Nankai Trough, a geologically active trench off Japan’s coast. The operation is part of a deep-sea expedition focused on exploring and documenting marine biodiversity in extreme ocean environments.

JAMSTEC Shinkai Expedition – Dive Site: Nankai Trough

The Nankai Trough, stretching along the southeastern coast of Japan, is one of the most geologically active and biologically important deep-sea regions in the western Pacific.

17/06/25

PRESS RELEASE: The Ocean Census Embarks on First Deep-sea Expedition in Japan, Partnering with JAMSTEC 

In June 2025, the JAMSTEC will collaborate with the Ocean Census, deploying the renowned submersible Shinkai 6500 on a 20-day scientific voyage into some of Japan’s most mysterious deep-sea ecosystems.

03/06/25

PRESS RELEASE: New Coral Gardens and Hydrothermal Vents Found in the Icy Depths of the Remote South Sandwich Islands

An Ocean Census Flagship expedition and GoSouth team of scientists found suspected new species, discovered one of the island chain’s shallowest hydrothermal vents, and explored the deepest trench in the Southern Ocean.

29/05/25
A group of penguins stands atop a large, bright blue iceberg with crashing waves below, under a cloudy sky in Antarctica

Fire and Ice: Why Explore the Antarctic Waters Around the South Sandwich Islands?

In one of the most isolated regions on Earth, the Antarctic waters of the South Sandwich Islands’ are among the ecosystems that have been least studied globally.

25/02/25

PAPER PUBLISHED: Sanctuary for vulnerable Arctic species at the newly discovered Borealis Mud Volcano

One would think that a volcano was not the most hospitable place for living organisms. However, the Borealis Mud Volcano, at ~ 400 m water depth, acts as a sanctuary for a number of marine species.

28/01/25

That’s a Wrap! A timeline of Achievements at the Ocean Census in 2024

In 2024, the Ocean Census achieved exciting milestones in advancing the understanding and discovery of marine biodiversity.

20/12/24

Following the Nazca Ridge Expedition: The Chile Species Discovery Workshop

This species discovery workshop will allow us to uncover potential new species from the Nazca Ridge expedition.

05/12/24

5 Deep-Sea Habitats: Highlighting the Diversity of the Ocean

Explore deep-sea habitats in the Arctic, showcasing unique ecosystems, mid-ocean ridges, and hydrothermal vent biodiversity.

16/10/24

Expedition
Spotlight

JAMSTEC Shinkai

4 June – 23 June 2025

The JAMSTEC Shinkai Expedition is a 20-day research mission that brings together Japanese Agency of Marine-Earth Science and Technology (JAMSTEC) and The Nippon Foundation-Nekton Ocean Census.

The Ocean Census is a global effort with a bold vision. Together with our partners, we are accelerating the discovery of marine species, building a comprehensive genetic library of ocean life, and influencing ocean policies worldwide.

Join the census

An Alliance of scientists, governments, marine research institutes, museums, philanthropy, technology, media and civil society partners.