Sea of Marmara - Ocean Biodiversity Information System

Sea of Marmara

Statistics

Occurrence records	1,124
Species level	974
Species	175
Taxa	205
Datasets	28
Time range	1842 - 2021

Data quality

Dropped records

Dropped records	0
Not marine	2
No WoRMS match	39
No coordinates	0
Zero coordinates	0

Taxonomic issues

Marine unsure	33
No accepted name available	100

Missing and invalid fields

Field	Missing	Invalid
coordinateUncertaintyInMeters	1,044	8
eventDate	62	0
maximumDepthInMeters	442	0
minimumDepthInMeters	182	0
occurrenceStatus	40	0
scientificNameID	76	25

Spatial issues

Records on land	0
More than 20 km from shore	0
Depth exceeds bathymetric depth	1

Top datasets

Dataset	Records
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	627
PANGAEA - Data from Tübingen University Published 2025-03-20	258
Harmful Algal Event Database (HAEDAT) Published 2025-03-12	62
Global benthic biogeographical regions and macroecological drivers for ophiuroids [Data set] Published 2023-11-30	42
Occurrences of HAB species in the Mediterranean Published 2020-05-13	26
Type locality distributions from the World Register of Marine Species Published 2025-03-20	19
FishNet2 Marine Data Published 2023-12-19	18
The fishes collection (IC) of the Muséum national d'Histoire naturelle (MNHN - Paris) Published	15
CorMedNet- Distribution and demographic data of habitat-forming invertebrate species from Mediterranean coralligenous assemblages between 1882 and 2019. Published 2025-03-20	15
Report on the Danish Oceanographical Expeditions 1908-1910 to the Mediterranean and adjacent seas- Engraulidae-Clupeidae Published 2024-02-26	13

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
Turborotalita quinqueloba (Natland, 1938) Phylum Foraminifera > Class Globothalamea	145
Globigerina bulloides d'Orbigny, 1826 Phylum Foraminifera > Class Globothalamea	66
Globigerinoides ruber (d'Orbigny, 1839) Phylum Foraminifera > Class Globothalamea	35
Gephyrocapsa huxleyi (Lohmann) P.Reinhardt, 1972 Phylum Haptophyta > Class Coccolithophyceae	35
Thalassiosira parva Proschkina-Lavrenko, 1955 Phylum Heterokontophyta > Class Bacillariophyceae	31
Pseudo-nitzschia seriata (Cleve) H.Peragallo, 1899 Phylum Heterokontophyta > Class Bacillariophyceae	27
Cyclotella caspia Grunow, 1878 Phylum Heterokontophyta > Class Bacillariophyceae	27
Prorocentrum cordatum (Ostenfeld) J.D.Dodge, 1976 Phylum Myzozoa > Class Dinophyceae	25
Protozoa Owen, 1858	21
Rhizosolenia calcar-avis Schultze, 1858 Phylum Heterokontophyta > Class Bacillariophyceae	21

Newest species

Scientific name	Records	Since
Thalassiosira gravida Cleve, 1896 Phylum Heterokontophyta > Class Bacillariophyceae	1	2021
Dysidea avara (Schmidt, 1862) Phylum Porifera > Class Demospongiae	1	2019
Thalassiosira minima Gaarder, 1951 Phylum Heterokontophyta > Class Bacillariophyceae	1	2014
Cylindrotheca closterium (Ehrenberg) Reimann & J.C.Lewin, 1964 Phylum Heterokontophyta > Class Bacillariophyceae	1	2014
Aurelia aurita (Linnaeus, 1758) Phylum Cnidaria > Class Scyphozoa	1	2013
Cirrophorus turcicus Erdoğan-Dereli, Çinar & Dağli, 2017 Phylum Annelida > Class Polychaeta	1	2013
Marmara musculata Ocaña & Çinar, 2018 Phylum Cnidaria > Class Hexacorallia	1	2013
Diadumene turcica Ocaña & Çinar, 2018 Phylum Cnidaria > Class Hexacorallia	1	2013
Charisactis tetiana Ocaña & Çinar, 2018 Phylum Cnidaria > Class Hexacorallia	1	2013
Scolanthus mediterraneus Ocaña & Çinar, 2018 Phylum Cnidaria > Class Hexacorallia	1	2013

Data providers

Name	Records
Vlaams Instituut voor de Zee	931
National Academy of Sciences of Ukraine, O. O. Kovalevsky Institute of Biology of the Southern Seas	627
Eberhard Karls University of Tübingen	258
UNESCO-IOC	88
CSIRO National Collections and Marine Infrastructure	44
Norwegian Institute for Water Research	42
The Stazione Zoologica Anton Dohrn	27
Aristotle University of Thessaloniki	26
Alexandria University-Faculty of Science- Oceanography Department	26
IRTA	26