Inia🐋

Photo: Dennis Otten · CC BY-SA 3.0

SpeciesCetaceaIniidae
Marine mammals

🐋Amazon river dolphin

Inia geoffrensis (Blainville, 1817)

דולפין האמזונאס (שם מדעי: Inia geoffrensis) הוא מין במשפחת האיניים (Iniidae) מתת סדרת לווייתני שיניים. הוא חי במים מתוקים או במי נהרות, והוא אנדמי לנהרות האמזונאס והאורינוקו. שמות נוספים לדולפין זה הם בוטו אמזוני ופוקנת האמזונאס.

Text: Wikipedia, CC BY-SA 4.0.

Videos
None yet
Photos
2
Measurements
11
vs you
≈ 1.6× your weight
Also called
Boto, Bouto, Bolivian River Dolphin, Boutu, Orinoco River Dolphin, Pink River Dolphin
Conservation status
ENEndangered

IUCN Red List assessment, 2018.

Population trendDecreasing
Key measurements
Body mass
99 kg
Body length
2.56 m
Shoulder height
not recorded
Top speed
not recorded
Bite force
not recorded
Maximum lifespan
31 years
All measurements ↓
Facts and figures

Everything we know about the Amazon river dolphin

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

Body mass
99 kgrecord 160 kg · SeaLifeBase
COMBINE
Other figures ↓

Record: largest individual on record

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

Figures vary

  • 84 kgAnAgeAnAge build 15, 2023-07-03 (HAGR)data quality: acceptable
Body length
2.56 m
COMBINE
Other figures ↓

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

By sex

  • Female2.3 mSeaLifeBasev25.04

Figures vary

  • 2.8 mSeaLifeBasev25.04
Brain mass
610 g
COMBINE
Details ↓

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

Maximum lifespan
31 years
COMBINE
Other figures ↓

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

Figures vary

  • 31 yearsAnAgeAnAge build 15, 2023-07-03 (HAGR)data quality: acceptable
Generation length
13 yearsestimated
COMBINE
Details ↓

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

Age at maturity
3.5 years
COMBINE
Details ↓

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

Gestation
299 days
COMBINE
Other figures ↓

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

Figures vary

  • 287 daysAnAgeAnAge 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
Diurnal
COMBINE
Details ↓

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

Volume l
99 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 Amazon river dolphin yet: shoulder height, top speed, bite force.

More

More about the Amazon river dolphin

Closest relative on this site
🐋 Baiji — last shared an ancestor ≈ 11 million years ago.
What it eats
fish90%
insects and other invertebrates10%
In other languages
Amazonasdelfin (de), Inia geoffrensis. (es), boto (fr), Inia amazońska (pl), דולפין האמזונאס (he), 보토 (ko) … and 25 more languages
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