France: Mediterranean Sea - Ocean Biodiversity Information System

France: Mediterranean Sea

Statistics

Occurrence records	588,306
Species level	228,108
Species	4,344
Taxa	5,577
Datasets	163
Time range	1834 - 2024

Data quality

Dropped records

Dropped records	0
Not marine	267
No WoRMS match	1,235
No coordinates	0
Zero coordinates	0

Taxonomic issues

Marine unsure	889
No accepted name available	84,816

Missing and invalid fields

Field	Missing	Invalid
coordinateUncertaintyInMeters	245,403	421,606
eventDate	11,395	0
maximumDepthInMeters	572,344	0
minimumDepthInMeters	571,839	2
occurrenceStatus	4,671	0
scientificName	35	0
scientificNameID	1,927	151

Spatial issues

Records on land	230,240
More than 20 km from shore	15
Depth exceeds bathymetric depth	2,957

Top datasets

Dataset	Records
Macrophytes occurrence data within French Mediterranen Lagoon since 2006 Published 2025-03-20	151,059
Dataset of French Observation and Monitoring program for Phytoplankton and Hydrology in coastal waters since 1987 Published 2025-03-20	128,181
UNESCO eDNA expedition in Gulf of Porto: Calanche of Piana, Gulf of Girolata, Scandola Reserve (France): March 2023 Published 2024-12-08	97,161
Plankton community in Régent (680µm) net, Point B, Villefranche-sur-Mer, France Published 2024-09-09	35,020
CHALIST survey catch data: Bentho-demersal assemblages of the Gulf of Lion (North-western Mediterranean) from 1983 to 1992 Published 2025-03-20	28,662
Plankton community in WP2 net (200µm), Point B, Villefranche-sur-Mer, France Published 2025-03-20	25,329
Benthic invertebrates abundance data from French REBENT network Published 2025-03-20	18,656
Benthic Network Published 2025-03-20	13,957
Observatoire Pelagis aerial surveys 2002-2021 Published 2022-01-20	10,290
Plankton community in Juday-Bogorov (330µm) net, Point B, Villefranche-sur-Mer, France Published 2024-09-09	7,712

Distribution

Disclaimer: EEZ boundaries based on Marine Regions (no endorsement).

Records

Composition

detailed (class) simple

Top taxa

Unique species IUCN Red List All taxa Unique species IUCN Red List All taxa Unique species IUCN Red List All taxa

Scientific name	Records
Biota incertae sedis	75,180
Pseudo-nitzschia H. Peragallo in H. Peragallo & M. Peragallo, 1900 Phylum Heterokontophyta > Class Bacillariophyceae	28,909
Chaetoceros C.G. Ehrenberg, 1844 Phylum Heterokontophyta > Class Bacillariophyceae	10,897
Prorocentrum Ehrenberg, 1834 Phylum Myzozoa > Class Dinophyceae	10,882
Chordata Haeckel, 1874 Phylum Chordata	9,555
Calciodinelloideae Phylum Myzozoa > Class Dinophyceae	6,630
Bacillariophycanae Phylum Heterokontophyta > Class Bacillariophyceae	6,056
Licmophora C.A. Agardh, 1827 Phylum Heterokontophyta > Class Bacillariophyceae	5,924
Posidonia oceanica (Linnaeus) Delile, 1813 Phylum Tracheophyta > Class Magnoliopsida	5,716
Thalassionema nitzschioides (Grunow) Mereschkowsky, 1902 Phylum Heterokontophyta > Class Bacillariophyceae	5,625

Newest species

Scientific name	Records	Since
Isias clavipes Boeck, 1865 Phylum Arthropoda > Class Copepoda	14	2023
Astropecten spinulosus (Philippi, 1837) Phylum Echinodermata > Class Asteroidea	8	2023
Parablennius incognitus (Bath, 1968) Phylum Chordata > Class Teleostei	11	2023
Parablennius zvonimiri (Kolombatovic, 1892) Phylum Chordata > Class Teleostei	12	2023
Gobius paganellus Linnaeus, 1758 Phylum Chordata > Class Teleostei	32	2023
Pseudaphya ferreri (de Buen & Fage, 1908) Phylum Chordata > Class Teleostei	12	2023
Scomber colias Gmelin, 1789 Phylum Chordata > Class Teleostei	9	2023
Atherina boyeri Risso, 1810 Phylum Chordata > Class Teleostei	20	2023
Atherina hepsetus Linnaeus, 1758 Phylum Chordata > Class Teleostei	60	2023
Thalassiosira profunda (Hendey) Hasle, 1973 Phylum Heterokontophyta > Class Bacillariophyceae	24	2023

Data providers

Name	Records
Vlaams Instituut voor de Zee	363,998
Institut Français de Recherche pour l'Exploitation de la Mer, IFREMER, Centre de Brest	345,875
Cépralmar	151,059
Institut Français de Recherche pour l'Exploitation de la Mer, IFREMER, Centre de Nantes	128,181
United Nations Educational, Scientific and Cultural Organization	97,676
UNESCO-IOC	97,287
Ecole d’Ota	97,161
Office de l’Environnement de la Corse	97,161
Parc naturel régional de Corse	97,161
UNESCO-WHC	97,161