🐬Irrawaddy dolphin
伊河海豚（學名：Orcaella brevirostris）又稱伊豚、伊河豚、伊洛瓦底江豚或短吻海豚，是一種能適應淡水生境的海豚，主要分布区包括：孟加拉灣和东南亚的近岸海域，湄公河、缅甸伊洛瓦底江与婆罗洲馬哈坎河三大河流，以及印度吉尔卡湖、泰国宋卡湖与菲律宾马兰帕亚海峡三处微鹹水域。圓鈍的頭部和不突出的短吻是其顯著特徵。
Text: Wikipedia, CC BY-SA 4.0.
IUCN Red List assessment, 2017.
- Body mass
- 190 kg
- Body length
- 2.63 m
- Shoulder height
- not recorded
- Top speed
- not recorded
- Bite force
- not recorded
- Maximum lifespan
- 30 years
Everything we know about the Irrawaddy dolphin
Typical adult figures. Where a value is an estimate rather than a measurement, it says so.
Body mass190 kgCOMBINEOther figures ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Figures vary
- 190 kgAnAgeAnAge build 15, 2023-07-03 (HAGR)data quality: acceptable
Body length2.63 mCOMBINEOther figures ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Figures vary
- 2.75 mSeaLifeBasev25.04
Maximum lifespan30 yearsCOMBINEOther figures ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Figures vary
- 30 yearsAnAgeAnAge build 15, 2023-07-03 (HAGR)data quality: acceptable
Generation length15 yearsCOMBINEDetails ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Age at maturity5.0 yearsCOMBINEDetails ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Gestation1.2 yearsCOMBINEOther figures ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Figures vary
- 1.2 yearsAnAgeAnAge build 15, 2023-07-03 (HAGR)data quality: acceptable
Litter size1COMBINEOther figures ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Figures vary
- 1AnAgeAnAge build 15, 2023-07-03 (HAGR)data quality: acceptable
Trophic levelCarnivoreCOMBINEDetails ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Activity cycleCrepuscular / mixedestimatedCOMBINEDetails ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Population density37 per km²COMBINEDetails ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Volume l190 LaverageDetails ↓Hide ↑
Body mass at ~1.0 kg/L, the density of vertebrate tissue.
estimated = a model's estimate for a species nobody has measured; average = a mean across sexes or species in a group.
Not recorded for Irrawaddy dolphin yet: shoulder height, top speed, bite force.
Family tree
- kingdomAnimalia
- ›phylumChordata
- ›classMammalia
- ›orderCetacea
- ›familyDelphinidae
- ›genusOrcaella
- ›speciesOrcaella brevirostris
- classMammals · Mammalia
- orderEven-toed hoofed animals · Artiodactyla
- infraorderWhales & dolphins · Cetacea
- genusOrcaella
All 15 branches ↓Fewer branches ↑
- kingdomMetazoa
- phylumChordata
- subphylumCraniata
- subphylumVertebrata
- superclassGnathostomata
- superclassSarcopterygii
- superclassTetrapoda
- classMammals · Mammalia
- subclassTheria
- superorderLaurasiatheria
- orderEven-toed hoofed animals · Artiodactyla
- suborderWhippomorpha
- infraorderWhales & dolphins · Cetacea
- familyDelphinidae
- genusOrcaella
More about the Irrawaddy dolphin
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