News
A new species of Crenavolva (Gastropoda, Ovulidae) from Mozambique
A new cowrie species, Crenavolva iris, is described from Mozambique. Detailed comparisons with related species from the western Indian Ocean, Pacific and eastern Indian Ocean confirm it as a distinct species, expanding knowledge of Crenavolva diversity in the region.
09/02/26
Review of Pyragraphorus (Monogenoidea: Pyragraphoridae) and Its Position in the Order Mazocraeidea, with Descriptions of Two New Species from Carangid Fishes in Australia
Two new parasitic worm species, Pyragraphorus rohdei and P. ningalooensis, are described from carangid fish in Australia. A taxonomic and molecular review of the genus also reveals complex evolutionary relationships among several monogenoid families.
03/02/26
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
Description of three new species of Mitromorphidae (Mollusca, Gastropoda, Conoidea) from the Indo-Pacific
Three new mitromorphid species, two of the genus Anarithma (Anarithma pseudoiozona sp. nov. and Anarithma tsuzukii sp. nov.) one of the genus Mitromorpha (Mitromorpha laboutei sp. nov.), are described from the Indo-Pacific. In absence of DNA sequences, differentiation with their closest congeners is based on their conchological characters only.
03/01/26
A new species of Melinnopsis (Annelida, Melinnidae) from the Porcupine Abyssal Plain, northeast Atlantic
A new polychaete, Melinnopsis nathanieli, is described from 4,850 m depth in the northeast Atlantic. Morphological and genetic analyses confirm it as distinct, making it the first Melinnopsis species described from the region and revealing its tubes as habitat for other organisms.
23/12/25
A new species of Granuliterebra (Conoidea: Terebridae) from Australia
Five species of the shell-morphologically defined genus Granuliterebra Oyama, 1961, together with the shell-morphologically allied taxon Duplicaria tricincta (E. A. Smith, 1877), are revised and the species are compared to a new species from Australia described herein.
19/12/25
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
67 new auger snail species discovered by Belgian conchologist, Yves Terryn: A milestone in Terebridae taxonomy
The Ocean Census is proud to celebrate the extraordinary achievement of Belgian conchologist Yves Terryn, who has discovered 67 new species of auger snails (family Terebridae) through work supported by the Ocean Census Species Discovery Awards.
15/12/25Expedition
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.
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The Ocean Census Alliance unites national and philanthropic marine institutes, museums, and universities, backed by governments, philanthropy, business and civil society partners.
