Baltic Sea

to mapper

Statistics

Occurrence records 2,666,040
Species level 2,319,513
Species 1,881
Taxa 3,365
Datasets 137
Time range 1754 - 2024

Data quality

Dropped records

Dropped records 0
Not marine 20,569
No WoRMS match 69,242
No coordinates 0
Zero coordinates 0

Taxonomic issues

Marine unsure 21,686
No accepted name available 36,526

Missing and invalid fields

Field Missing Invalid
coordinateUncertaintyInMeters 2,746,883 141
eventDate 644 0
maximumDepthInMeters 634,495 0
minimumDepthInMeters 639,771 0
occurrenceStatus 8,867 0
scientificName 2 0
scientificNameID 30,999 45,797

Spatial issues

Records on land 24,866
More than 20 km from shore 28
Depth exceeds bathymetric depth 1,814

Top datasets

Distribution

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

Records

Composition

detailed (class) simple

Top taxa

Unique species IUCN Red List All taxa
Scientific name Records
Gadus morhua Linnaeus, 1758 VU
Phylum Chordata > Class Teleostei 		458,618
Clupea harengus Linnaeus, 1758
Phylum Chordata > Class Teleostei 		311,481
Platichthys flesus (Linnaeus, 1758)
Phylum Chordata > Class Teleostei 		198,999
Sprattus sprattus (Linnaeus, 1758)
Phylum Chordata > Class Teleostei 		116,493
Pleuronectes platessa Linnaeus, 1758
Phylum Chordata > Class Teleostei 		63,447
Merlangius merlangus (Linnaeus, 1758)
Phylum Chordata > Class Teleostei 		51,807
Limanda limanda (Linnaeus, 1758)
Phylum Chordata > Class Teleostei 		51,196
Mytilus edulis Linnaeus, 1758
Phylum Mollusca > Class Bivalvia 		38,073
Temora longicornis (Müller O.F., 1785)
Phylum Arthropoda > Class Copepoda 		33,406
Clangula hyemalis (Linnaeus, 1758) VU
Phylum Chordata > Class Aves 		33,276

Newest species

Scientific name Records Since
Leucon (Leucon) acutirostris G.O. Sars, 1865
Phylum Arthropoda > Class Malacostraca 		3 2023
Megaptera novaeangliae (Borowski, 1781)
Phylum Chordata > Class Mammalia 		1 2021
Microsiphona potamos C.I.Weber, 1970
Phylum Heterokontophyta > Class Bacillariophyceae 		8 2021
Laonome xeprovala Bick & Bastrop, in Bick et al., 2018
Phylum Annelida > Class Polychaeta 		2 2021
Crystallogobius linearis (Düben, 1845)
Phylum Chordata > Class Teleostei 		2 2020
Postmecynostomum pictum Dörjes, 1968
Phylum Xenacoelomorpha 		18 2019
Navicula ramosissima (C.Agardh) Cleve, 1895
Phylum Heterokontophyta > Class Bacillariophyceae 		52 2019
Sellaphora lanceolata D.G.Mann & S.Droop, 2004
Phylum Heterokontophyta > Class Bacillariophyceae 		30 2019
Berkeleya fennica Juhlin-Dannfelt, 1882
Phylum Heterokontophyta > Class Bacillariophyceae 		54 2019
Aphanomyces invadans David & Kirk, 1997
Phylum Oomycota > Class Peronosporea 		24 2019

Data providers

Name Records
Vlaams Instituut voor de Zee 2,450,144
International Council for the Exploration of the Sea 1,818,786
Sveriges meteorologiska och hydrologiska institut 540,949
Havs- och Vattenmyndigheten 285,000
Swedish county administration boards 133,840
Swedish municipalities 133,840
Swedish Environmental Protection Agency 133,749
Bureau Waardenburg bv – Ecology & Landscape 119,536
Christian-Albrechts-University Kiel; Research and Technology Centre 119,536
Vlaamse overheid; Beleidsdomein Omgeving; Instituut voor Natuur- en Bosonderzoek 119,536