What Animal Lives Where

🇮🇴Animals recorded in British Indian Ocean Territory

Which animals have been recorded in British Indian Ocean Territory? 9,755 occurrence records cover 825 species. The most-recorded are listed below, with what the record pattern says about each one. 206 is the most-recorded animal class; the leading species records include Common House Gecko, knob coral, Checkerboard wrasse.

Country evidence passport

Evidence found

9,755 coordinate-bearing animal records; 825 species facets.

IO is the stable ISO place code.

Source coverage

GBIF Animalia occurrence facets for this country, restricted to CC0 records.

Refreshed 2026-09-20. Inspect GBIF.

What this means

The listed species have reusable occurrence evidence in the stated source universe.

Rows are ordered by record count.

What this does not mean

The list is not a census, abundance ranking, native-range claim or guarantee of current presence.

Missing or low counts can reflect uneven survey effort.

206 · 6,374216 · 53011592253 · 130229 · 179353 · 68225 · 103212 · 58205 · 47214 · 3811545536 · 19367 · 34221 · 17

The most-recorded species in this dataset include Common House Gecko, knob coral, Checkerboard wrasse. Use the country list as evidence of recorded wildlife, then open a species to compare its records across other countries and months. It is not a complete habitat or population census.

Most-recorded animals in British Indian Ocean Territory

AnimalGroupRecords
Common House Gecko Common House Gecko
Hemidactylus frenatus
Squamata
Gekkonidae
100
knob coral knob coral
Goniastrea stelligera
Anthozoa
Merulinidae
91
Checkerboard wrasse Checkerboard wrasse
Halichoeres hortulanus
—
Labridae
87
Threadfin Butterflyfish Threadfin Butterflyfish
Chaetodon auriga
—
Chaetodontidae
79
cauliflower coral cauliflower coral
Pocillopora verrucosa
Anthozoa
Pocilloporidae
78
larger star coral
Favites flexuosa
Anthozoa
Merulinidae
74
Brown Surgeonfish Brown Surgeonfish
Acanthurus nigrofuscus
—
Acanthuridae
74
Powderblue surgeonfish Powderblue surgeonfish
Acanthurus leucosternon
—
Acanthuridae
73
Bluelined Snapper, Common bluestripe snapper Bluelined Snapper
Lutjanus kasmira
—
Lutjanidae
68
Blue-spotted Grouper, Peacock hind Blue-spotted Grouper
Cephalopholis argus
—
Serranidae
67
Regal angelfish, Royal angelfish Regal angelfish
Pygoplites diacanthus
—
Pomacanthidae
65
Spotfin Squirrelfish, Sammara squirrelfish Spotfin Squirrelfish
Neoniphon sammara
—
Holocentridae
63
Smooth cauliflower coral Smooth cauliflower coral
Stylophora pistillata
Anthozoa
Pocilloporidae
58
knob coral knob coral
Dipsastraea pallida
Anthozoa
Merulinidae
56
Brush Coral Brush Coral
Acropora hyacinthus
Anthozoa
Acroporidae
43
Black sun coral
Tubastraea micranthus
Anthozoa
Dendrophylliidae
42
Common Mushroom Coral
Fungia fungites
Anthozoa
Fungiidae
39
Lichen coral
Porites lichen
Anthozoa
Poritidae
39
Maypole Butterflyfish Maypole Butterflyfish
Chaetodon meyeri
—
Chaetodontidae
37
Corrugated Coral
Pavona varians
Anthozoa
Agariciidae
32
Honeycomb Coral
Gardineroseris planulata
Anthozoa
Agariciidae
31
blue coral
Heliopora coerulea
Anthozoa
Helioporidae
30
Ridge coral
Leptoseris mycetoseroides
Anthozoa
Agariciidae
30
Antler Coral
Pocillopora grandis
Anthozoa
Pocilloporidae
26
organ-pipe coral
Tubipora musica
Anthozoa
Tubiporidae
26
Granulated mushroom coral
Pleuractis granulosa
Anthozoa
Fungiidae
25
mushroom coral
Danafungia scruposa
Anthozoa
Fungiidae
25
Oval Mushroom Coral
Lobactis scutaria
Anthozoa
Fungiidae
25
Mound Coral
Porites lutea
Anthozoa
Poritidae
24
Gnarly brain
Favites abdita
Anthozoa
Merulinidae
23
larger star coral
Favites pentagona
Anthozoa
Merulinidae
22
Variable agama Variable agama
Calotes versicolor
Squamata
Agamidae
22
hump coral
Porites nigrescens
Anthozoa
Poritidae
21
leaf coral
Pavona clavus
Anthozoa
Agariciidae
21
Three-spot Dascyllus, Threespot dascyllus Three-spot Dascyllus
Dascyllus trimaculatus
—
Pomacentridae
21
Montipora elschneri Anthozoa
Acroporidae
21
intermediate valley coral
Oulophyllia crispa
Anthozoa
Merulinidae
20
Forster's Hawkfish, Blackside hawkfish Forster's Hawkfish
Paracirrhites forsteri
—
Cirrhitidae
19
cauliflower coral
Pocillopora damicornis
Anthozoa
Pocilloporidae
18
leaf coral
Pavona explanulata
Anthozoa
Agariciidae
17
striate boomerang coral
Herpolitha limax
Anthozoa
Fungiidae
17
Bluelined wrasse
Stethojulis albovittata
—
Labridae
17
Bullethead Rockskipper
Blenniella periophthalmus
—
Blenniidae
17
Striated surgeonfish Striated surgeonfish
Ctenochaetus striatus
—
Acanthuridae
16
mushroom coral
Cycloseris costulata
Anthozoa
Fungiidae
16
lesser star coral
Goniastrea pectinata
Anthozoa
Merulinidae
15
Bird wrasse Bird wrasse
Gomphosus varius
—
Labridae
15
Zigzag wrasse
Halichoeres scapularis
—
Labridae
15
Whitecheek surgeonfish Whitecheek surgeonfish
Acanthurus nigricans
—
Acanthuridae
15
Goldbar wrasse
Thalassoma hebraicum
—
Labridae
15
Catch Bowl Coral
Isopora palifera
Anthozoa
Acroporidae
15
knob coral
Dipsastraea matthaii
Anthozoa
Merulinidae
15
sinuous cup coral
Lobophyllia radians
Anthozoa
Lobophylliidae
15
Yellowstripe Goatfish Yellowstripe Goatfish
Mulloidichthys flavolineatus
—
Mullidae
14
Fire Coral
Millepora platyphylla
Hydrozoa
Milleporidae
14
Blotcheye Soldierfish
Myripristis murdjan
—
Holocentridae
14
coconut crab coconut crab
Birgus latro
Malacostraca
Coenobitidae
14
Hawaiian plate coral
Leptoseris hawaiiensis
Anthozoa
Agariciidae
14
Elongate Mushroom Coral
Pleuractis paumotensis
Anthozoa
Fungiidae
14
pore coral
Montipora tuberculosa
Anthozoa
Acroporidae
13
How to read this. These are records, not a census. A high count can mean a common animal or simply a well-watched one, and limited records appear alongside repeated records. Open an animal to inspect whether the evidence is one-off, repeated, recent or historical.