Arctic Ocean - Ocean Biodiversity Information System

Arctic Ocean

Statistics

Occurrence records	186,582
Species level	104,920
Species	1,986
Taxa	3,363
Datasets	150
Time range	1849 - 2024

Data quality

Dropped records

Dropped records	0
Not marine	101
No WoRMS match	4,591
No coordinates	0
Zero coordinates	0

Taxonomic issues

Marine unsure	3,818
No accepted name available	3,186

Missing and invalid fields

Field	Missing	Invalid
coordinateUncertaintyInMeters	188,534	4,582
eventDate	49,814	0
maximumDepthInMeters	60,632	9,223
minimumDepthInMeters	41,106	2,167
occurrenceStatus	54,321	0
scientificName	4	0
scientificNameID	22,151	4,029

Spatial issues

Records on land	6
More than 20 km from shore	0
Depth exceeds bathymetric depth	29,731

Top datasets

Dataset	Records
World Ocean Database 2009 Published 2020-11-17	26,087
MICROBIS Database (version 1) - European data Published	25,811
Archives of the Arctic Seas Zooplankton Published 2019-09-03	23,159
Zooplankton Eastern Arctic Ocean Polarstern, 1995-1998 Published 2019-10-02	13,781
Invertebrate megabenthos and fish at three Arctic seamounts at the Langseth Ridge Published 2022-11-17	10,160
PANGAEA - Data from quaternary environment of the Eurasian North (QUEEN) Published 2025-03-20	10,082
IMR Occurrences of fish from research and rental vessels 2000-2023 Published 2024-09-09	9,624
Composition and distribution of the biomass of zooplankton in the central Arctic Basin 1975, 1976, 1977 Published 2019-08-26	8,565
Shebaplankton_Falk3 Published 2023-01-18	7,846
PANGAEA - Data from paleoenvironmental reconstructions from marine sediments @ AWI Published 2025-03-20	7,380

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
Metridia longa (Lubbock, 1854) Phylum Arthropoda > Class Copepoda	5,301
Calanus hyperboreus Krøyer, 1838 Phylum Arthropoda > Class Copepoda	4,635
Microcalanus pygmaeus (Sars G.O., 1900) Phylum Arthropoda > Class Copepoda	4,507
Oithona similis Claus, 1866 Phylum Arthropoda > Class Copepoda	4,109
Copepoda Milne Edwards, 1840 Phylum Arthropoda > Class Copepoda	3,660
Bacteria	3,417
Calanus glacialis Jaschnov, 1955 Phylum Arthropoda > Class Copepoda	3,206
Dinophyceae Fritsch, 1927 Phylum Myzozoa > Class Dinophyceae	2,902
Ostracoda Latreille, 1802 Phylum Arthropoda > Class Ostracoda	2,349
Chaetognatha Phylum Chaetognatha	2,344

Newest species

Scientific name	Records	Since
Protomyctophum arcticum (Lütken, 1892) Phylum Chordata > Class Teleostei	2	2021
Liparis bathyarcticus Parr, 1931 Phylum Chordata > Class Teleostei	17	2020
Hormathia digitata (O.F. Müller, 1776) Phylum Cnidaria > Class Hexacorallia	1	2019
Haploops similis Stephensen, 1925 Phylum Arthropoda > Class Malacostraca	4	2019
Ammodytes marinus Raitt, 1934 Phylum Chordata > Class Teleostei	7	2019
Pholoe baltica Örsted, 1843 Phylum Annelida > Class Polychaeta	3	2019
Nephasoma (Nephasoma) minutum (Keferstein, 1862) Phylum Annelida	2	2019
Yoldiella propinqua (Leche, 1878) Phylum Mollusca > Class Bivalvia	2	2019
Owenia polaris Koh, Bhaud & Jirkov, 2003 Phylum Annelida > Class Polychaeta	6	2019
Saphobranchia hirsuta (Hansen, 1878) Phylum Annelida > Class Polychaeta	6	2019

Data providers

Name	Records
University of Alaska Fairbanks - School of Fisheries and Oceans	67,462
U.S. Geological Survey HQ	30,678
Intergovernmental Oceanographic Commission of UNESCO	27,439
National Oceanic and Atmospheric Administration, Washington	26,511
Woods Hole Oceanographic Institution	25,811
Vlaams Instituut voor de Zee	25,806
Alfred Wegener Institute for Polar- and Marine Research	18,732
Institute of Marine Research	13,154
Alfred-Wegener-Institut (Helmholtz-Zentrum für Polar- und Meeresforschung)	10,211
Leibniz Institute for Baltic Sea Research, Warnemünde	10,160