Mahe, Alphonse and Amirantes Plateau - Ocean Biodiversity Information System

Mahe, Alphonse and Amirantes Plateau

Statistics

Occurrence records	31,759
Species level	24,144
Species	3,262
Taxa	4,112
Datasets	119
Time range	1752 - 2023

Data quality

Dropped records

Dropped records	0
Not marine	90
No WoRMS match	692
No coordinates	0
Zero coordinates	0

Taxonomic issues

Marine unsure	47
No accepted name available	142

Missing and invalid fields

Field	Missing	Invalid
coordinateUncertaintyInMeters	22,118	4,547
eventDate	15,276	0
maximumDepthInMeters	27,396	42
minimumDepthInMeters	28,406	0
occurrenceStatus	14,257	0
scientificName	280	0
scientificNameID	5,871	18

Spatial issues

Records on land	3,279
More than 20 km from shore	0
Depth exceeds bathymetric depth	834

Top datasets

Dataset	Records
FishNet2 Marine Data Published 2023-12-19	5,171
Observatoire Pelagis aerial surveys 2002-2021 Published 2022-01-20	4,273
Ecoscope Observation Database Published 2025-03-20	2,623
Occurrence records of southern African aquatic biodiversity Published 2024-05-09	2,449
Ecoscope tuna bycatch observer data Published 2025-03-20	2,221
Malacology Collection at the Academy of Natural Sciences of Philadelphia Published 2025-03-18	2,061
Ecoscope tuna observer data Published 2025-03-20	2,015
IndOBIS, Indian Ocean Node of OBIS Published	1,232
UF Invertebrate Zoology Published 2024-02-12	760
Diversity of the Indo-Pacific (DIPnet) Published	607

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
Laridae Vigors, 1825 Phylum Chordata > Class Aves	1,940
Thunnus albacares (Bonnaterre, 1788) Phylum Chordata > Class Teleostei	1,143
Anous Stephens, 1826 Phylum Chordata > Class Aves	807
Katsuwonus pelamis (Linnaeus, 1758) Phylum Chordata > Class Teleostei	777
Auxis thazard (Lacepède, 1800) Phylum Chordata > Class Teleostei	703
Phaethon lepturus Daudin, 1802 Phylum Chordata > Class Aves	611
Coryphaena hippurus Linnaeus, 1758 Phylum Chordata > Class Teleostei	380
Carcharhinus falciformis (Müller & Henle, 1839) VU Phylum Chordata > Class Elasmobranchii	327
Acanthocybium solandri (Cuvier, 1832) Phylum Chordata > Class Teleostei	321
Onychoprion Wagler, 1832 Phylum Chordata > Class Aves	312

Newest species

Scientific name	Records	Since
Trimma cavicapum Winterbottom, Brighton & Mason-Parker, 2024 Phylum Chordata > Class Teleostei	1	2023
Feresa attenuata Gray, 1874 Phylum Chordata > Class Mammalia	2	2021
Istiblennius steindachneri (Pfeffer, 1893) Phylum Chordata > Class Teleostei	1	2017
Eviota dalyi Greenfield & Gordon, 2019 Phylum Chordata > Class Teleostei	2	2017
Physiculus capensis Gilchrist, 1922 Phylum Chordata > Class Teleostei	1	2016
Mobula alfredi (Krefft, 1868) VU Phylum Chordata > Class Elasmobranchii	5	2016
Margalefidinium polykrikoides (Margalef) F.Gómez, Richlen & D.M.Anderson, 2017 Phylum Myzozoa > Class Dinophyceae	1	2015
Echinaster (Echinaster) sepositus (Retzius, 1783) Phylum Echinodermata > Class Asteroidea	2	2014
Aetobatus narinari (Euphrasen, 1790) EN Phylum Chordata > Class Elasmobranchii	2	2014
Myliobatis tenuicaudatus Hector, 1877 Phylum Chordata > Class Elasmobranchii	2	2014

Data providers

Name	Records
Institut de Recherche pour le Développement	7,026
Tulane University Biodiversity Research Institute	5,171
Duke University	4,543
Observatoire Pelagis UMS 3462, University La Rochelle - CNRS	4,273
Observatoire PELAGIS, UMS 3462, University La Rochelle-CNRS	4,273
Vlaams Instituut voor de Zee	3,693
Intergovernmental Oceanographic Commission of UNESCO	3,197
South African Institute for Aquatic Biodiversity	2,449
InvertEBase	2,061
Malacology Collection at the Academy of Natural Sciences of Philadelphia	2,061