Patagonian Shelf - Ocean Biodiversity Information System

Patagonian Shelf

Statistics

Occurrence records	246,056
Species level	194,425
Species	4,025
Taxa	5,602
Datasets	224
Time range	1767 - 2025

Data quality

Dropped records

Dropped records	0
Not marine	155
No WoRMS match	1,756
No coordinates	0
Zero coordinates	0

Taxonomic issues

Marine unsure	1,263
No accepted name available	304

Missing and invalid fields

Field	Missing	Invalid
coordinateUncertaintyInMeters	242,021	504
eventDate	17,779	0
maximumDepthInMeters	59,903	241
minimumDepthInMeters	222,275	227
occurrenceStatus	225,584	0
scientificName	468	0
scientificNameID	8,519	1,575

Spatial issues

Records on land	5,578
More than 20 km from shore	1,456
Depth exceeds bathymetric depth	2,033

Top datasets

Dataset	Records
Programa de Observadores a Bordo (POBCh) de la Secretaria de Pesca de la Provincia del Chubut, Argentina . Observer On board Program -Fisheries Secretariat of the Province of Chubut-Argentina (OOBPPCh) Published 2021-05-17	169,899
The Retrospective Analysis of Antarctic Tracking (Standardised) Data from the Scientific Committee on Antarctic Research Published 2024-10-23	15,267
MICROBIS Database (version 1) - European data Published	8,445
Biological observations from the Discovery Investigations 1925-1952 Published 2019-03-15	5,032
National Museum of Natural History Invertebrate Zoology Collections Published	4,855
Fishes in the Argentine Sea from 1967 to the present time Published 2021-05-17	4,618
Rocky reef biodiversity survey: Punta Pardelas, Argentina Published 2021-12-03	4,490
Locations of seals in Patagonian Large Marine Ecosystem (OBIS South America, AR-OBIS, Sub-node) Published 2017-11-24	2,526
Demersal and pelagic species of fish and squid from the Patagonian shelf Published 2017-03-10	1,909
Marine Invertebrate from Argentina, Uruguay and Chile Published 2016-11-17	1,779

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
Merluccius hubbsi Marini, 1933 Phylum Chordata > Class Teleostei	13,012
Pleoticus muelleri (Spence Bate, 1888) Phylum Arthropoda > Class Malacostraca	12,799
Lithodes santolla (Molina, 1782) Phylum Arthropoda > Class Malacostraca	11,567
Illex argentinus (Castellanos, 1960) Phylum Mollusca > Class Cephalopoda	8,785
Mirounga leonina (Linnaeus, 1758) Phylum Chordata > Class Mammalia	7,932
Psammobatis normani McEachran, 1983 Phylum Chordata > Class Elasmobranchii	7,826
Loligo Lamarck, 1798 Phylum Mollusca > Class Cephalopoda	7,625
Stromateus brasiliensis Fowler, 1906 Phylum Chordata > Class Teleostei	6,774
Patagonotothen ramsayi (Regan, 1913) Phylum Chordata > Class Teleostei	6,398
Libidoclaea granaria H. Milne Edwards & Lucas, 1842 Phylum Arthropoda > Class Malacostraca	6,163

Newest species

Scientific name	Records	Since
Lithophaga lithophaga (Linnaeus, 1758) Phylum Mollusca > Class Bivalvia	7	2024
Acrosiphonia arcta (Dillwyn) Gain, 1912 Phylum Chlorophyta > Class Chlorophyceae	7	2024
Tachyeres pteneres (Forster, 1844) Phylum Chordata > Class Aves	1	2024
Phalacrocorax magellanicus (Gmelin, 1789) Phylum Chordata > Class Aves	2	2023
Chloephaga hybrida (Molina, 1782) Phylum Chordata > Class Aves	2	2023
Leucocarbo atriceps (King, 1828) Phylum Chordata > Class Aves	14	2023
Gracilaria gracilis (Stackhouse) Steentoft, L.M.Irvine & Farnham, 1995 Phylum Rhodophyta > Class Florideophyceae	3	2022
Nemalion elminthoides (Velley) Batters, 1902 Phylum Rhodophyta > Class Florideophyceae	1	2022
Ulothrix flacca (Dillwyn) Thuret, 1863 Phylum Chlorophyta > Class Ulvophyceae	1	2022
Aphanocladia robusta Pujals, 1967 Phylum Rhodophyta > Class Florideophyceae	17	2021

Data providers

Name	Records
Centro para el Estudio de Sistemas Marinos, Centro Nacional Patagónico	183,846
Secretaría de Pesca de la Provincia del Chubut	169,899
National Institute for Water & Atmospheric Research	20,664
British Antarctic Survey	19,290
Koninklijk Belgisch Instituut voor Natuurwetenschappen	18,094
Université Libre de Bruxelles	15,893
Unviersité Libre de Bruxelles — Laboratoire de Biologie Marine	15,709
Intergovernmental Oceanographic Commission of UNESCO	15,649
Australian Antarctic Division	15,576
Sorbonne Université	15,443