The Great Whirl and Gulf of Aden Upwelling Ecosystem - Ocean Biodiversity Information System

The Great Whirl and Gulf of Aden Upwelling Ecosystem

Statistics

Occurrence records	53,285
Species level	20,978
Species	671
Taxa	1,059
Datasets	58
Time range	1849 - 2016

Data quality

Dropped records

Dropped records	0
Not marine	1
No WoRMS match	223
No coordinates	0
Zero coordinates	0

Taxonomic issues

Marine unsure	176
No accepted name available	4,641

Missing and invalid fields

Field	Missing	Invalid
coordinateUncertaintyInMeters	52,412	951
eventDate	2,003	0
maximumDepthInMeters	5,347	0
minimumDepthInMeters	3,579	0
occurrenceStatus	3,049	0
scientificName	5	0
scientificNameID	514	46

Spatial issues

Records on land	2
More than 20 km from shore	0
Depth exceeds bathymetric depth	18

Top datasets

Dataset	Records
World Ocean Database 2009 Published 2020-11-17	46,902
Taxonomically comprehensive assessment of biodiversity of animal plankton throughout the world ocean Published	1,675
PANGAEA - Data from various sources Published 2025-03-20	1,121
IFREMER/Kélonia satellite tracked late juvenile loggerhead sea turtles from Réunion Island 2008-2012 Published 2021-04-24	929
National Museum of Natural History Invertebrate Zoology Collections Published	547
PANGAEA - Data from Tübingen University Published 2025-03-20	392
PANGAEA - Data from the Deep Sea Drilling Project (DSDP) Published 2025-03-20	326
National Museum of Natural History Vertebrate Zoology Fishes Collections Published	312
UF Invertebrate Zoology Published 2024-02-12	245
Ecoscope Observation Database Published 2025-03-20	109

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
Fiona Alder & Hancock, 1853 Phylum Mollusca > Class Gastropoda	4,268
Copepoda Milne Edwards, 1840 Phylum Arthropoda > Class Copepoda	4,162
Oncaea Philippi, 1843 Phylum Arthropoda > Class Copepoda	3,283
Oikopleura Mertens, 1830 Phylum Chordata > Class Appendicularia	2,123
Sagitta Quoy & Gaimard, 1827 Phylum Chaetognatha > Class Sagittoidea	2,108
Corycaeus Dana, 1849 Phylum Arthropoda > Class Copepoda	1,861
Paracalanus parvus (Claus, 1863) Phylum Arthropoda > Class Copepoda	1,673
Ostracoda Latreille, 1802 Phylum Arthropoda > Class Ostracoda	1,518
Clausocalanus arcuicornis (Dana, 1849-1852) Phylum Arthropoda > Class Copepoda	1,062
Polychaeta Grube, 1850 Phylum Annelida > Class Polychaeta	1,039

Newest species

Scientific name	Records	Since
Caretta caretta (Linnaeus, 1758) VU Phylum Chordata	942	2006
Chelonia mydas (Linnaeus, 1758) EN Phylum Chordata	6	2005
Vasum stephanti W. K. Emerson & Sage, 1988 Phylum Mollusca > Class Gastropoda	1	2005
Distorsio somalica Parth, 1990 Phylum Mollusca > Class Gastropoda	1	2002
Stenella attenuata (Gray, 1846) Phylum Chordata > Class Mammalia	2	2001
Stenella longirostris (Gray, 1828) Phylum Chordata > Class Mammalia	2	2001
Stenella coeruleoalba (Meyen, 1833) Phylum Chordata > Class Mammalia	1	2000
Megaptera novaeangliae (Borowski, 1781) Phylum Chordata > Class Mammalia	1	1998
Calliostoma scotti Kilburn, 1973 Phylum Mollusca > Class Gastropoda	1	1996
Bulimina aculeata d'Orbigny, 1826 Phylum Foraminifera > Class Globothalamea	202	1995

Data providers

Name	Records
National Oceanic and Atmospheric Administration, Washington	46,964
U.S. Geological Survey HQ	46,964
Intergovernmental Oceanographic Commission of UNESCO	2,586
Vlaams Instituut voor de Zee	2,048
Woods Hole Oceanographic Institution	1,675
Duke University	990
Institut Français de Recherche pour l'Exploitation de la Mer, IFREMER, Centre de Brest	929
National Museum of Natural History, Smithsonian Institution	859
Eberhard Karls University of Tübingen	392
Centre for Marine Living Resources & Ecology, Ministry of Earth Sciences, Government of India	247