🐋Amazon river dolphin
アマゾンカワイルカ（学名：Inia geoffrensis）は、哺乳綱偶蹄目（鯨偶蹄目）アマゾンカワイルカ科アマゾンカワイルカ属に分類される鯨類。 アマゾンカワイルカ属（Inia）のみでアマゾンカワイルカ科（Iniidae）を構成し、現生群を本種のみに分類する説もあるが、マデイラ川流域の個体群を別種ボリビアカワイルカ（Inia boliviensis）とし、2014年にアラグアイア川流域の個体群から新種記載されたアラグアイアカワイルカ（Inia araguaiaensis）の3種でアマゾンカワイルカ属を形成する説もある。
Text: Wikipedia, CC BY-SA 4.0.
IUCN Red List assessment, 2018.
- 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
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 mass99 kgrecord 160 kg · SeaLifeBaseCOMBINEOther figures ↓Hide ↑
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 length2.56 mCOMBINEOther figures ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
By sex
- Female2.3 mSeaLifeBasev25.04
Figures vary
- 2.8 mSeaLifeBasev25.04
Brain mass610 gCOMBINEDetails ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Maximum lifespan31 yearsCOMBINEOther figures ↓Hide ↑
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 length13 yearsestimatedCOMBINEDetails ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Age at maturity3.5 yearsCOMBINEDetails ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Gestation299 daysCOMBINEOther figures ↓Hide ↑
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 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 cycleDiurnalCOMBINEDetails ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Volume l99 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 Amazon river dolphin yet: shoulder height, top speed, bite force.
Family tree
- kingdomAnimalia
- ›phylumChordata
- ›classMammalia
- ›orderCetacea
- ›familyIniidae
- ›genusInia
- ›speciesInia geoffrensis
- classMammals · Mammalia
- orderEven-toed hoofed animals · Artiodactyla
- infraorderWhales & dolphins · Cetacea
- genusInia
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
- familyIniidae
- genusInia
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