Tunisia - Ocean Biodiversity Information System

Tunisia

Statistics

Occurrence records	29,167
Species level	23,697
Species	1,558
Taxa	1,984
Datasets	114
Time range	1831 - 2023

Data quality

Dropped records

Dropped records	0
Not marine	104
No WoRMS match	740
No coordinates	0
Zero coordinates	0

Taxonomic issues

Marine unsure	59
No accepted name available	1,092

Missing and invalid fields

Field	Missing	Invalid
coordinateUncertaintyInMeters	27,114	1,266
eventDate	717	0
maximumDepthInMeters	8,255	24
minimumDepthInMeters	14,935	26
occurrenceStatus	9,186	0
scientificName	1	0
scientificNameID	756	152

Spatial issues

Records on land	2,622
More than 20 km from shore	0
Depth exceeds bathymetric depth	430

Top datasets

Dataset	Records
IBSS historical data from different cruises Published 2025-03-20	9,710
National Institute of Marine Sciences and Technologies - Trawling surveys Published 2020-12-02	7,329
Satellite-tracking of loggerhead sea turtles tracked from western Mediterranean Published 2025-03-20	1,909
Benthic communities and environmental parameters in three Mediterranean ports (Sardinia, Crete, Tunisia) Published 2025-02-18	1,348
Loggerhead satellite tracking data from Rethymno, Crete, Greece Published 2021-04-24	1,206
National Museum of Natural History Invertebrate Zoology Collections Published	1,141
Fishery survey in 1949 in the Tunisia (South-West Mediterranean) Published 2025-03-20	1,114
Phytoplankton data collected in the Black Sea, Bosphorus area, Marmara Sea, Aegean Sea, Ionian Sea, Tunisian Strait, and Mediterranean Sea during the 65th cruise of the R/V "Kovalevskiy" in 1969-1970 Published 2025-03-20	746
Zooplankton collected in the Mediterranean Sea in 1959 on board the R/V Akademik S. Vavilov Published 2025-03-20	718
Paleobiology of Ostracoda in "Oued Merarzeka" (NE Tunisia) and the Mediterranean Sea Published 2025-03-20	520

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
Caretta caretta (Linnaeus, 1758) VU Phylum Chordata	3,266
Merluccius merluccius (Linnaeus, 1758) Phylum Chordata > Class Teleostei	468
Trachurus trachurus (Linnaeus, 1758) VU Phylum Chordata > Class Teleostei	442
Mullus barbatus Linnaeus, 1758 Phylum Chordata > Class Teleostei	437
Boops boops (Linnaeus, 1758) Phylum Chordata > Class Teleostei	428
Pagellus erythrinus (Linnaeus, 1758) Phylum Chordata > Class Teleostei	372
Nannocalanus minor (Claus, 1863) Phylum Arthropoda > Class Copepoda	362
Sepia officinalis Linnaeus, 1758 Phylum Mollusca > Class Cephalopoda	356
Diplodus annularis (Linnaeus, 1758) Phylum Chordata > Class Teleostei	332
Clausocalanus furcatus (Brady, 1883) Phylum Arthropoda > Class Copepoda	314

Newest species

Scientific name	Records	Since
Actinia equina (Linnaeus, 1758) Phylum Cnidaria > Class Hexacorallia	1	2023
Callinectes sapidus Rathbun, 1896 Phylum Arthropoda > Class Malacostraca	4	2023
Muraena helena Linnaeus, 1758 Phylum Chordata > Class Teleostei	1	2023
Parablennius gattorugine (Linnaeus, 1758) Phylum Chordata > Class Teleostei	1	2023
Parablennius ruber (Valenciennes, 1836) Phylum Chordata > Class Teleostei	1	2023
Lagocephalus lagocephalus (Linnaeus, 1758) Phylum Chordata > Class Teleostei	1	2023
Brachidontes pharaonis (P. Fischer, 1870) Phylum Mollusca > Class Bivalvia	1	2023
Patella rustica Linnaeus, 1758 Phylum Mollusca > Class Gastropoda	1	2023
Anemonia sulcata (Pennant, 1777) Phylum Cnidaria > Class Hexacorallia	1	2023
Symplegma brakenhielmi (Michaelsen, 1904) Phylum Chordata > Class Ascidiacea	1	2023

Data providers

Name	Records
Vlaams Instituut voor de Zee	15,698
National Academy of Sciences of Ukraine, O. O. Kovalevsky Institute of Biology of the Southern Seas	11,307
CSIR / SADCO / AfrOBIS	7,331
National Institute of marine sciences and technologies (INSTM)	7,329
Technical University of Valencia; Department of Transportation Infrastructures and Engineering	1,909
Hellenic Centre for Marine Research - Institute of Marine Biology, Biotechnology and Aquaculture	1,865
Intergovernmental Oceanographic Commission of UNESCO	1,463
Duke University	1,392
Aristotle University of Thessaloniki - Department of Biology - Laboratory of Zoology	1,348
University of Florence – Department of Biology	1,348