Map: Ecoregions 2017 © RESOLVE (CC BY 4.0) · Natural Earth (PD)
The warm, largely tropical Indian Ocean.
96 species
009
EN EndangeredBlue whale
Balaenoptera musculus
Mammal
017
EN EndangeredGreen sea turtle
Chelonia mydas
Reptile
022
LC Least ConcernClownfish
Amphiprion ocellaris
Fish
023
EN EndangeredWhale shark
Rhincodon typus
Fish
024
VU VulnerableOcean sunfish
Mola mola
Fish
025
CR Critically EndangeredCoelacanth
Latimeria chalumnae
Fish
027
LC Least ConcernMoon jellyfish
Aurelia aurita
Invertebrate
028
LC Least ConcernCommon octopus
Octopus vulgaris
Invertebrate
056
VU VulnerableWandering albatross
Diomedea exulans
Bird
069
VU VulnerableGreat white shark
Carcharodon carcharias
Fish
070
VU VulnerableReef manta ray
Mobula alfredi
Fish
075
LC Least ConcernGiant moray
Gymnothorax javanicus
Fish
076
LC Least ConcernRed lionfish
Pterois volitans
Fish
077
LC Least ConcernHumpback anglerfish
Melanocetus johnsonii
Fish
080
LC Least ConcernClown triggerfish
Balistoides conspicillum
Fish
128
LC Least ConcernKiller whale
Orcinus orca
Mammal
135
EN EndangeredIrrawaddy dolphin
Orcaella brevirostris
Mammal
203
LC Least ConcernGreat barracuda
Sphyraena barracuda
Fish
205
LC Least ConcernBlacktip reef shark
Carcharhinus melanopterus
Fish
206
LC Least ConcernBlue tang
Paracanthurus hepatus
Fish
208
VU VulnerableBumphead parrotfish
Bolbometopon muricatum
Fish
211
LC Least ConcernMahi-mahi
Coryphaena hippurus
Fish
212
VU VulnerableGiant grouper
Epinephelus lanceolatus
Fish
213
LC Least ConcernGiant trevally
Caranx ignobilis
Fish
215
LC Least ConcernGreat barracuda
Sphyraena barracuda
Fish
217
CR Critically EndangeredScalloped hammerhead
Sphyrna lewini
Fish
219
LC Least ConcernMandarinfish
Synchiropus splendidus
Fish
220
EN EndangeredSpinetail devil ray
Mobula mobular
Fish
221
EN EndangeredNapoleon wrasse
Cheilinus undulatus
Fish
228
LC Least ConcernSailfish
Istiophorus platypterus
Fish
229
CR Critically EndangeredLargetooth sawfish
Pristis pristis
Fish
232
LC Least ConcernReef stonefish
Synanceia verrucosa
Fish
234
NT Near ThreatenedTiger shark
Galeocerdo cuvier
Fish
236
LC Least ConcernZebra moray
Gymnomuraena zebra
Fish
250
CR Critically EndangeredHawksbill sea turtle
Eretmochelys imbricata
Reptile
252
VU VulnerableLeatherback sea turtle
Dermochelys coriacea
Reptile
263
VU VulnerableCoconut crab
Birgus latro
Invertebrate
266
LC Least ConcernCrown-of-thorns starfish
Acanthaster planci
Invertebrate
269
LC Least ConcernGhost crab
Ocypode ceratophthalmus
Invertebrate
271
VU VulnerableGiant clam
Tridacna gigas
Invertebrate
272
LC Least ConcernGiant isopod
Bathynomus giganteus
Invertebrate
273
LC Least ConcernVenus flower basket
Euplectella aspergillum
Invertebrate
277
LC Least ConcernPeacock mantis shrimp
Odontodactylus scyllarus
Invertebrate
278
LC Least ConcernChambered nautilus
Nautilus pompilius
Invertebrate
280
LC Least ConcernPaper nautilus
Argonauta argo
Invertebrate
282
LC Least ConcernSea wasp
Chironex fleckeri
Invertebrate
342
LC Least ConcernRed-billed tropicbird
Phaethon aethereus
Bird
357
LC Least ConcernEmperor angelfish
Pomacanthus imperator
Fish
358
LC Least ConcernCopperband butterflyfish
Chelmon rostratus
Fish
359
LC Least ConcernPowder blue tang
Acanthurus leucosternon
Fish
360
LC Least ConcernBluestreak cleaner wrasse
Labroides dimidiatus
Fish
361
LC Least ConcernCoral grouper
Cephalopholis miniata
Fish
362
LC Least ConcernTitan triggerfish
Balistoides viridescens
Fish
363
LC Least ConcernMap pufferfish
Arothron mappa
Fish
364
LC Least ConcernLonghorn cowfish
Lactoria cornuta
Fish
365
LC Least ConcernRibbon eel
Rhinomuraena quaesita
Fish
367
LC Least ConcernSwordfish
Xiphias gladius
Fish
368
LC Least ConcernCobia
Rachycentron canadum
Fish
373
EN EndangeredSpotted eagle ray
Aetobatus narinari
Fish
374
NT Near ThreatenedBlue shark
Prionace glauca
Fish
413
LC Least ConcernBlue glaucus
Glaucus atlanticus
Invertebrate
416
LC Least ConcernChocolate chip sea star
Protoreaster nodosus
Invertebrate
417
LC Least ConcernBlue sea star
Linckia laevigata
Invertebrate
420
LC Least ConcernFeather star
Lamprometra palmata
Invertebrate
423
LC Least ConcernMagnificent sea anemone
Heteractis magnifica
Invertebrate
426
LC Least ConcernUpside-down jellyfish
Cassiopea andromeda
Invertebrate
428
LC Least ConcernChristmas tree worm
Spirobranchus giganteus
Invertebrate
430
LC Least ConcernBobbit worm
Eunice aphroditois
Invertebrate
453
LC Least ConcernCommon bottlenose dolphin
Tursiops truncatus
Mammal
469
VU VulnerableDugong
Dugong dugon
Mammal
477
LC Least ConcernYellow-bellied sea snake
Hydrophis platurus
Reptile
493
VU VulnerableOlive ridley turtle
Lepidochelys olivacea
Reptile
494
LC Least ConcernSaltwater crocodile
Crocodylus porosus
Reptile
521
VU VulnerableLoggerhead sea turtle
Caretta caretta
Reptile
563
LC Least ConcernBlue-ringed octopus
Hapalochlaena maculosa
Invertebrate
564
DD Data DeficientVampire squid
Vampyroteuthis infernalis
Invertebrate
565
DD Data DeficientPortuguese man o' war
Physalia physalis
Invertebrate
592
LC Least ConcernTropical two-wing flyingfish
Exocoetus volitans
Fish
598
LC Least ConcernMilkfish
Chanos chanos
Fish
600
LC Least ConcernLeafy seadragon
Phycodurus eques
Fish
601
LC Least ConcernYellowfin tuna
Thunnus albacares
Fish
618
LC Least ConcernSkipjack tuna
Katsuwonus pelamis
Fish
619
LC Least ConcernChub mackerel
Scomber japonicus
Fish
624
VU VulnerableBluefish
Pomatomus saltatrix
Fish
630
VU VulnerableBigeye tuna
Thunnus obesus
Fish
631
LC Least ConcernSilver pomfret
Pampus argenteus
Fish
654
LC Least ConcernRed-footed booby
Sula sula
Bird
791
VU VulnerableSperm whale
Physeter macrocephalus
Mammal
798
LC Least ConcernHumpback whale
Megaptera novaeangliae
Mammal
823
VU VulnerableFin whale
Balaenoptera physalus
Mammal
831
EX ExtinctDodo
Raphus cucullatus
Bird
833
LC Least ConcernFlathead grey mullet
Mugil cephalus
Fish
861
LC Least ConcernShort-beaked common dolphin
Delphinus delphis
Mammal
881
EN EndangeredSei whale
Balaenoptera borealis
Mammal
915
LC Least ConcernMoorish idol
Zanclus cornutus
Fish
994
LC Least ConcernGiant oarfish
Regalecus glesne
Fish