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SpeciesCetaceaDelphinidae
Marine mammals

🐬Irrawaddy dolphin

Orcaella brevirostris (Owen, 1866)

Иравадийският делфин още орцела (Orcaella brevirostris) е вид бозайник от семейство Делфинови (Delphinidae). Видът е уязвим и сериозно застрашен от изчезване.

Text: Wikipedia, CC BY-SA 4.0.

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Measurements
11
vs you
≈ 3.1× your weight
Also called
Irrawaddy River Dolphin, Irrawady Dolphin, Snub-fin Dolphin, Snubfin Dolphin
Conservation status
ENEndangered

IUCN Red List assessment, 2017.

Population trendDecreasing
Key measurements
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
All measurements ↓
Facts and figures

Everything we know about the Irrawaddy dolphin

Typical adult figures. Where a value is an estimate rather than a measurement, it says so.

Body mass
190 kg
COMBINE
Other figures ↓

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 length
2.63 m
COMBINE
Other figures ↓

Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0

Figures vary

  • 2.75 mSeaLifeBasev25.04
Maximum lifespan
30 years
COMBINE
Other figures ↓

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 length
15 years
COMBINE
Details ↓

Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0

Age at maturity
5.0 years
COMBINE
Details ↓

Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0

Gestation
1.2 years
COMBINE
Other figures ↓

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 size
1
COMBINE
Other figures ↓

Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0

Figures vary

  • 1AnAgeAnAge build 15, 2023-07-03 (HAGR)data quality: acceptable
Trophic level
Carnivore
COMBINE
Details ↓

Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0

Activity cycle
Crepuscular / mixedestimated
COMBINE
Details ↓

Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0

Population density
37 per km²
COMBINE
Details ↓

Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0

Volume l
190 Laverage
Details ↓

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.

More

More about the Irrawaddy dolphin

Closest relative on this site
🐬 Common bottlenose dolphin — last shared an ancestor ≈ 4.1 million years ago.
What it eats
fish60%
insects and other invertebrates40%
In other languages
Irawadidelfin (de), Orcaella brevirostris (es), Dauphin de l'Irrawaddy (fr), Oreczka krótkogłowa (pl), 강거두고래 (ko), kúposfejű delfin (hu) … and 22 more languages
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