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