Portugal: Azores - Ocean Biodiversity Information System

Portugal: Azores

Statistics

Occurrence records	501,865
Species level	288,891
Species	2,419
Taxa	3,681
Datasets	179
Time range	1844 - 2025

Data quality

Dropped records

Dropped records	0
Not marine	82
No WoRMS match	2,750
No coordinates	0
Zero coordinates	0

Taxonomic issues

Marine unsure	2,347
No accepted name available	2,041

Missing and invalid fields

Field	Missing	Invalid
coordinateUncertaintyInMeters	239,953	949
eventDate	3,828	0
maximumDepthInMeters	396,045	0
minimumDepthInMeters	382,110	0
occurrenceStatus	21,311	0
scientificName	58	0
scientificNameID	2,136	1,030

Spatial issues

Records on land	6,771
More than 20 km from shore	0
Depth exceeds bathymetric depth	2,501

Top datasets

Dataset	Records
ImageDOP Bentic Video Annotations in the Faial-Pico Channel in 2011 Published 2025-03-20	148,142
Long-term cetacean monitoring in the Azores based on whale watching observations (2009-2020) Published 2025-03-20	77,572
POPA- Fisheries Observer Program of the Azores: Seabird sightings in the Azores tuna fishery from 2000 on: during navigation or search mode Published 2025-03-20	57,128
POPA- Fisheries Observer Program of the Azores: Seabird sightings in the Azores tuna fishery from 1998 to 2013: while fishing Published 2025-03-20	33,294
POPA- Fisheries Observer Program of the Azores: Tuna species caught in the Azores tuna fishery from 1998 to 2013 Published 2025-03-20	26,603
POPA- Fisheries Observer Program of the Azores: Marine mammal sightings in the Azores tuna fishery from 1998 on: during navigation or search mode Published 2025-03-20	26,259
The CPR Survey Published 2025-03-20	24,141
MICROBIS Database (version 1) - European data Published	16,649
European Seabirds At Sea (ESAS) Published 2025-03-20	10,799
Demersais survey in the Azores between 1996 and 2013 Published 2025-03-20	9,800

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
Calonectris borealis (Cory, 1881) Phylum Chordata > Class Aves	52,922
Delphinus delphis Linnaeus, 1758 Phylum Chordata > Class Mammalia	31,533
Physeter macrocephalus Linnaeus, 1758 VU Phylum Chordata > Class Mammalia	30,020
Larus michahellis J.F. Naumann, 1840 Phylum Chordata > Class Aves	26,334
Porifera Grant, 1836 Phylum Porifera	26,266
Haliclona Grant, 1841 Phylum Porifera > Class Demospongiae	18,846
Polyplumaria Sars, 1874 Phylum Cnidaria > Class Hydrozoa	17,785
Hydrozoa Owen, 1843 Phylum Cnidaria > Class Hydrozoa	17,001
Sterna Linnaeus, 1758 Phylum Chordata > Class Aves	16,850
Katsuwonus pelamis (Linnaeus, 1758) Phylum Chordata > Class Teleostei	15,614

Newest species

Scientific name	Records	Since
Esperiopsis villosa (Carter, 1874) Phylum Porifera > Class Demospongiae	3	2019
Tentorium semisuberites (Schmidt, 1870) Phylum Porifera > Class Demospongiae	3	2019
Stylocordyla pellita (Topsent, 1904) Phylum Porifera > Class Demospongiae	1	2019
Asbestopluma (Asbestopluma) pennatula (Schmidt, 1875) Phylum Porifera > Class Demospongiae	2	2019
Dondersia todtae Klink, Bergmeier, Neusser & Jörger, 2015 Phylum Mollusca > Class Solenogastres	1	2019
Stenella clymene (Gray, 1850) Phylum Chordata > Class Mammalia	1	2017
Stenella attenuata (Gray, 1846) Phylum Chordata > Class Mammalia	1	2016
Paraeuchaeta hebes (Giesbrecht, 1888) Phylum Arthropoda > Class Copepoda	5	2015
Dardanus calidus (Risso, 1827) Phylum Arthropoda > Class Malacostraca	1	2014
Acanthocybium solandri (Cuvier, 1832) Phylum Chordata > Class Teleostei	1	2014

Data providers

Name	Records
Institute of Marine Research	337,084
Universidade dos Açores – Departamento de Oceanografia e Pescas	334,074
Faculty of Sciences, University of Lisbon	77,572
Agência Regional para o Desenvolvimento da Investigação Tecnologia e Inovação	77,572
Aqua Açores	77,572
Aquatic Research Network	77,572
Atlantiangra	77,572
Azores Experiences	77,572
Espaço Talassa	77,572
Futurismo Azores Adventures	77,572