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Orcaella brevirostris   (Owen, 1866)

Irrawaddy dolphin
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Image of Orcaella brevirostris (Irrawaddy dolphin)
Orcaella brevirostris
Picture by FAO

Classification / Names Common names | Synonyms | CoL | ITIS | WoRMS

Mammalia | Cetacea | Delphinidae

Environment / Climate / Range Ecology

Pelagic; freshwater; brackish; depth range 0 - 200 m, usually 1 - 10 m.  Tropical; 90°N - 10°S, 50°E - 125°E

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Indo-Pacific and Asia Inland Waters. [Malampaya Sound population: IUCN 2010 (Ref. 84930): CR, C2a(i,ii); D.]

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm Max length : 275 cm TL male/unsexed; (Ref. 1394)

Biology     Glossary (e.g. epibenthic)

Inhabit coastal, brackish, and freshwaters of the tropical and subtropical Indo-Pacific (Ref. 1394); found mostly in shallow, brackish, turbid waters at the mouth of rivers in the southeastern Asia and Australasia (Ref. 1522). Feeds on fishes, cephalopods and crustaceans (Ref. 1394). Inhabit coastal, brackish, and freshwaters of the tropical and subtropical Indo-Pacific. Feeds on fishes, cephalopods and crustaceans (Ref. 1394); found mostly in shallow, brackish, turbid waters at the mouth of rivers in the southeastern Asia and Australasia (Ref. 1522).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference References | Coordinator | Collaborators

Jefferson, T.A., S. Leatherwood and M.A. Webber. 1993. (Ref. 1394)

IUCN Red List Status (Ref. 115185)

  Vulnerable (VU) (A4cd)

CITES status (Ref. 108899)

CMS (Ref. 116361)

Threat to humans

Human uses

Fisheries: commercial
FAO(fisheries: production) | FisheriesWiki | Sea Around Us

More information

Common names
Synonyms
Predators
Reproduction
Maturity
Spawning
Fecundity
Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
Morphology
Larvae
Abundance
References
Mass conversion

Internet sources

BHL | BOLD Systems | CISTI | DiscoverLife | FAO(fisheries: species profile; publication : search) | GenBank (genome, nucleotide) | GloBI | GOBASE | Google Books | Google Scholar | Google | ispecies | PubMed | Scirus | Tree of Life | uBio | uBio RSS | Wikipedia (Go, Search) | Zoological Record

Estimates of some properties based on models

Vulnerability (Ref. 71543)
Very high vulnerability (90 of 100)
Price category (Ref. 80766)
Unknown