Orcaella brevirostris   (Owen, 1866)

Irrawaddy dolphin

Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Orcaella brevirostris  AquaMaps  Data sources: GBIF OBIS
Upload your photos 
All pictures | Google image |
Image of Orcaella brevirostris (Irrawaddy dolphin)
Orcaella brevirostris

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

Mammalia | Cetartiodactyla | Delphinidae

Environment: milieu / climate zone / depth range / distribution 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).

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. 130435: Version 2024-1)

  Endangered (EN) (A2cd+3cd+4cd); Date assessed: 30 August 2017

CITES status (Ref. 108899)


CMS (Ref. 116361)


Threat to humans

Human uses

Fisheries: commercial
FAO - Fisheries: landings, species profile | FishSource | Sea Around Us

Tools

More information

Trophic Ecology
Food items
Diet
Food consumption
Ration
Predators
Ecology
Ecology
Home ranges
Population dynamics
Growth
Age/Size
Length-weight
Length-length
Length-frequencies
Mass conversion
Recruitment
Abundance
Life cycle
Reproduction
Maturity
Fecundity
Spawning
Eggs
Egg development
Larvae
Larval dynamics
Distribution
Human Related
Aquaculture profile
Stamps, Coins Misc.
Outreach
Taxonomy
References

Internet sources

BHL | BOLD Systems | CISTI | DiscoverLife | FAO(Fisheries: species profile; publication : search) | Fishipedia | GenBank (genome, nucleotide) | GloBI | Gomexsi | Google Books | Google Scholar | Google | PubMed | Tree of Life | Wikipedia (Go, Search) | Zoological Record

Estimates based on models

Preferred temperature (Ref. 115969): 27.6 - 29.3, mean 28.9 (based on 1016 cells).
Vulnerability (Ref. 71543): Very high vulnerability (90 of 100).
Price category (Ref. 80766): Unknown.