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

PRESS RELEASE: Scientists discover over 1,100 new marine species in landmark Ocean Census

World’s largest mission to accelerate species discovery reveals extraordinary new life forms from some of Earth’s most extreme and unexplored environments.

19/05/26

The Ocean Census Year 3 Impact Report

The Ocean Census drove species discovery forward in year 3 through global expeditions, an expanded science network, and the launch of the Ocean Census NOVA data platform.

15/05/26

Lobosorchis labri n. sp. (Trematoda: Cryptogonimidae): a host switch from snappers (Lutjanidae) to wrasses (Labridae)

A new trematode, Lobosorchis labri, was discovered in wrasses at Ningaloo Reef, representing the first Lobosorchis species known from wrasses rather than snappers. Evidence suggests it evolved through a recent host switch, becoming specialised to Hemigymnus wrasses.

17/04/26
A woman draws a detailed scientific illustration of an amphipod on her work desk

The prevailing artform of taxonomic illustrations 

This World Art Day (15th April), the Ocean Census is highlighting the enduring craft of scientific sketches. In an era dominated by digital documentation, this hand-drawn approach to specimen identification demonstrates that careful, observational practice remains as vital as ever in the discovery and understanding of new species.

15/04/26

A review of the taxon Terebra anilis (Gastropoda, Terebridae:), with the description of two large-sized new species

A taxonomic reassessment of Terebra straminea clarifies species identities, validates two historical synonyms, describes two new large-bodied species, and supports the reinstatement of Terebra myuros as a distinct species, refining classification within the group.

04/04/26

Description of a new Nihonia species from Western Australia (Conoidea: Cochlespiridae)

A new Nihonia species is described from Western Australia and compared with Nihonia maxima Sysoev, 1997, which was described from Indonesia.

04/04/26

More than 110 new species from the Coral Sea Discovered

Marine taxonomists from CSIRO and the Ocean Census have identified more than 110 new fish and invertebrate species from the Coral Sea, with that number likely to exceed 200 as more cryptic species are identified. 

01/04/26

Playing hide and seek: On the identity of Buccinum assimile Reeve, 1846, with a description of a new species

Re-examination of the Buccinum assimile syntype revealed a long-standing misidentification, leading to the description of Aplus dissimilis sp. nov. and the synonymisation of B. assimile with Aplus scacchianus, clarifying species identities.

31/03/26

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

Expedition
Spotlight

Mar Del Plata Canyon

23 July – 12 August 2025

2025 Ocean Census Expedition Awardee, Dr. Daniel Lauretta of Museo Argentino de Ciencias Naturales Bernardino Rivadavia, joined the Schmidt Ocean Institute as Chief Scientist on it’s Underwater Oases of the Mar Del Plata Canyon expedition.  

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.