πBaiji
De Chinese vlagdolfijn of baiji (Lipotes vexillifer) is een walvisachtige. Hij komt enkel voor in de Yangtze, een rivier die door China stroomt. Het is de enige soort uit het geslacht Lipotes. De soort is pas in 1918 wetenschappelijk beschreven. Hoewel er in het midden van de 20e eeuw nog een populatie van enkele duizenden individuen was, nam het aantal daarna snel af. In 2006 werd de soort verklaard te zijn uitgestorven.
Text: Wikipedia, CC BY-SA 4.0.
IUCN Red List assessment, 2017.
- Body mass
- 98 kg
- Body length
- 2.1 m
- Shoulder height
- not recorded
- Top speed
- not recorded
- Bite force
- not recorded
- Maximum lifespan
- 24 years
Everything we know about the Baiji
Typical adult figures. Where a value is an estimate rather than a measurement, it says so.
Body mass98 kgrecord 135 kg Β· SeaLifeBaseCOMBINEOther figures βHide β
Record: largest individual on record
Source: COMBINE Β· v1 (Soria et al. 2021) Β· CC BY 4.0
By sex
- Female240 kgSeaLifeBasev25.04SeaLifeBase populates Weight independently of Length; the two are not guaranteed to describe the same individual. Verify before publishing.
Figures vary
- 84 kgAnAgeAnAge build 15, 2023-07-03 (HAGR)data quality: questionable
Body length2.1 mCOMBINEOther figures βHide β
Source: COMBINE Β· v1 (Soria et al. 2021) Β· CC BY 4.0
By sex
- Female2.6 mSeaLifeBasev25.04
Figures vary
- 2.3 mSeaLifeBasev25.04
Brain mass558 gCOMBINEDetails βHide β
Source: COMBINE Β· v1 (Soria et al. 2021) Β· CC BY 4.0
Maximum lifespan24 yearsCOMBINEOther figures βHide β
Source: COMBINE Β· v1 (Soria et al. 2021) Β· CC BY 4.0
Figures vary
- 24 yearsAnAgeAnAge build 15, 2023-07-03 (HAGR)data quality: questionable
Generation length13 yearsCOMBINEDetails βHide β
Source: COMBINE Β· v1 (Soria et al. 2021) Β· CC BY 4.0
Age at maturity9.2 yearsCOMBINEDetails βHide β
Source: COMBINE Β· v1 (Soria et al. 2021) Β· CC BY 4.0
Gestation319 daysCOMBINEOther figures βHide β
Source: COMBINE Β· v1 (Soria et al. 2021) Β· CC BY 4.0
Figures vary
- 319 daysAnAgeAnAge build 15, 2023-07-03 (HAGR)data quality: questionable
Litter size1COMBINEOther figures βHide β
Source: COMBINE Β· v1 (Soria et al. 2021) Β· CC BY 4.0
Figures vary
- 1AnAgeAnAge build 15, 2023-07-03 (HAGR)data quality: questionable
Trophic levelCarnivoreCOMBINEDetails βHide β
Source: COMBINE Β· v1 (Soria et al. 2021) Β· CC BY 4.0
Activity cycleDiurnalCOMBINEDetails βHide β
Source: COMBINE Β· v1 (Soria et al. 2021) Β· CC BY 4.0
Volume l98 LaverageDetails βHide β
Body mass at ~1.0 kg/L, the density of vertebrate tissue.
average = a mean across sexes or species in a group.
Not recorded for Baiji yet: shoulder height, top speed, bite force.
Family tree
- kingdomAnimalia
- βΊphylumChordata
- βΊclassMammalia
- βΊorderCetacea
- βΊfamilyLipotidae
- βΊgenusLipotes
- βΊspeciesLipotes vexillifer
- classMammals Β· Mammalia
- orderEven-toed hoofed animals Β· Artiodactyla
- infraorderWhales & dolphins Β· Cetacea
- genusLipotes
All 15 branches βFewer branches β
- kingdomMetazoa
- phylumChordata
- subphylumCraniata
- subphylumVertebrata
- superclassGnathostomata
- superclassSarcopterygii
- superclassTetrapoda
- classMammals Β· Mammalia
- subclassTheria
- superorderLaurasiatheria
- orderEven-toed hoofed animals Β· Artiodactyla
- suborderWhippomorpha
- infraorderWhales & dolphins Β· Cetacea
- familyLipotidae
- genusLipotes
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