Irrawaddy dolphin

E239255

The Irrawaddy dolphin is a distinctive, endangered freshwater and coastal dolphin species known for its rounded head, lack of a beak, and fragmented populations across South and Southeast Asia.

All labels observed (2)

Label Occurrences
Irrawaddy dolphin canonical 3
Irrawaddy dolphins 1

How this entity was disambiguated

Statements (63)

Predicate Object
instanceOf cetacean
dolphin species
mammal
adaptation tolerant of low salinity
uses echolocation
bodyShape robust
CITESListing Appendix I
class Mammalia
color bluish gray
slate gray
commonName Irrawaddy River dolphin
Irrawaddy dolphin self-link
conservationThreat boat traffic
bycatch in fisheries
entanglement in gillnets
habitat degradation
hydropower development
pollution
describedBy Richard Owen
diet cephalopods
crustaceans
fish
dorsalFin small dorsal fin
family Delphinidae
genus Orcaella
habitat brackish water
coastal waters
estuaries
rivers
headShape rounded head
IUCNRedListCategory EN
IUCNStatus Endangered
kingdom Animalia
lifespan up to about 30 years in the wild
maximumLength about 2.3 metres
maximumWeight about 130 kilograms
movementPattern coastal and riverine
nativeTo South Asia
Southeast Asia
notablePopulation Ayeyarwady River population
Mahakam River population
Mekong River population
occursIn Irrawaddy River
surface form: Ayeyarwady River

Bay of Bengal
Chilika Lake
Mahakam River NERFINISHED
Malampaya Sound
Mekong River
Songkhla Lake
coastal Cambodia
coastal Indonesia
coastal Myanmar
coastal Philippines
coastal Thailand
order Cetacea
phylum Chordata
reproduction viviparous
scientificName Orcaella
surface form: Orcaella brevirostris
snout lacks distinct beak
socialStructure loose pods
small groups
taxonRank species
yearDescribed 1866

How these facts were elicited

Referenced by (4)

Full triples — surface form annotated when it differs from this entity's canonical label.

Irrawaddy River notableSpecies Irrawaddy dolphin
Mahakam River inhabitedBy Irrawaddy dolphin
Irrawaddy dolphin commonName Irrawaddy dolphin self-link
Chilika Lake isKnownFor Irrawaddy dolphin
this entity surface form: Irrawaddy dolphins