EBSA No. 10: Rarotonga Outer Reef Slopes (80-300m depth) - Ocean Biodiversity Information System

EBSA No. 10: Rarotonga Outer Reef Slopes (80-300m depth)

Statistics

Occurrence records	4,826
Species level	4,039
Species	726
Taxa	1,073
Datasets	43
Time range	1928 - 2024

Data quality

Dropped records

Dropped records	0
Not marine	80
No WoRMS match	176
No coordinates	0
Zero coordinates	0

Taxonomic issues

Marine unsure	1
No accepted name available	1

Missing and invalid fields

Field	Missing	Invalid
coordinateUncertaintyInMeters	3,754	0
eventDate	1,268	0
maximumDepthInMeters	4,017	43
minimumDepthInMeters	3,984	0
occurrenceStatus	2,525	0
scientificName	44	0
scientificNameID	1,716	2

Spatial issues

Records on land	2,009
More than 20 km from shore	0
Depth exceeds bathymetric depth	244

Top datasets

Dataset	Records
SPC CoFish Invertebrates Observations Cook Islands 2007 Published 2019-02-11	1,330
Malacology Collection at the Academy of Natural Sciences of Philadelphia Published 2025-03-18	697
UF Invertebrate Zoology Published 2024-02-12	570
FishNet2 Marine Data Published 2023-12-19	379
Australian Museum Malacology Collection - Marine records Published 2022-06-08	288
Australian Museum Ichthyology Collection Published 2022-06-08	250
Diversity of the Indo-Pacific (DIPnet) Published	174
Reef Life Survey (RLS) around New Zealand region: Reef fish dataset Published 2018-08-08	159
Fish specimens Published	115
Ichthyology Collection - Royal Ontario Museum Published	114

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
Holothuria atra Jaeger, 1833 Phylum Echinodermata > Class Holothuroidea	156
Echinothrix diadema (Linnaeus, 1758) Phylum Echinodermata > Class Echinoidea	154
Echinometra mathaei (Blainville, 1825) Phylum Echinodermata > Class Echinoidea	141
Stichopus chloronotus Brandt, 1835 Phylum Echinodermata > Class Holothuroidea	120
Holothuria leucospilota (Brandt, 1835) Phylum Echinodermata > Class Holothuroidea	106
Rochia nilotica (Linnaeus, 1767) Phylum Mollusca > Class Gastropoda	85
Tridacna maxima (Röding, 1798) Phylum Mollusca > Class Bivalvia	83
Dendropoma Mörch, 1861 Phylum Mollusca > Class Gastropoda	80
Tripneustes gratilla (Linnaeus, 1758) Phylum Echinodermata > Class Echinoidea	60
Acanthurus triostegus (Linnaeus, 1758) Phylum Chordata > Class Teleostei	60

Newest species

Scientific name	Records	Since
Gambierdiscus australes Chinain & M.A.Faust, 1999 Phylum Myzozoa > Class Dinophyceae	6	2014
Gambierdiscus pacificus Chinain & M.A.Faust, 1999 Phylum Myzozoa > Class Dinophyceae	1	2014
Gambierdiscus cheloniae K.F.Smith, L.Rhodes & S.A.Murray, 2016 Phylum Myzozoa > Class Dinophyceae	2	2014
Chelonia mydas (Linnaeus, 1758) EN Phylum Chordata	1	2013
Pocillopora damicornis (Linnaeus, 1758) EN Phylum Cnidaria > Class Hexacorallia	2	2013
Pocillopora meandrina Dana, 1846 EN Phylum Cnidaria > Class Hexacorallia	4	2013
Spirobranchus giganteus (Pallas, 1766) Phylum Annelida > Class Polychaeta	1	2013
Phyllidia coelestis Bergh, 1905 Phylum Mollusca > Class Gastropoda	1	2013
Naso lituratus (Forster, 1801) Phylum Chordata > Class Teleostei	2	2013
Pocillopora acuta Lamarck, 1816 EN Phylum Cnidaria > Class Hexacorallia	9	2013

Data providers

Name	Records
Pacific Community	1,330
Ministry of Marine Resources (MMR)	1,330
CSIRO Oceans and Atmosphere Information and Data Centre, Hobart	707
InvertEBase	697
Malacology Collection at the Academy of Natural Sciences of Philadelphia	697
Australian Museum	646
Florida Museum of Natural History	570
CSIRO National Collections and Marine Infrastructure	516
Tulane University Biodiversity Research Institute	379
Intergovernmental Oceanographic Commission of UNESCO	318