🦭Caspian seal
裏海海豹（學名：Pusa caspica）为海豹科小頭海豹屬的一种，也叫裡海小頭海豹，是最細小的海豹之一。牠們只分布在裡海的海岸及岩石島嶼和冰山。於冬天，牠們會遷徙到裏海北部。由於在溫暖季節時冰山會融化，牠們會留在伏爾加河及烏拉爾河河口，與及南部較寒冷的水域。 裏海海豹被分隔在裏海的原因不明。其中一個假說是牠們的祖先於第四紀大陸冰蓋融化時來到裏海。 里海海豹没有亚种分化，属于单型种。
Text: Wikipedia, CC BY-SA 4.0.
IUCN Red List assessment, 2016.
- Body mass
- 87 kg
- Body length
- 1.56 m
- Shoulder height
- not recorded
- Top speed
- not recorded
- Bite force
- not recorded
- Maximum lifespan
- 50 years
Everything we know about the Caspian seal
Typical adult figures. Where a value is an estimate rather than a measurement, it says so.
Body mass87 kgrecord 86 kg · SeaLifeBaseCOMBINEOther figures ↓Hide ↑
Record: largest individual on record
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Figures vary
- 86 kgAnAgeAnAge build 15, 2023-07-03 (HAGR)data quality: low
Body length1.56 mCOMBINEOther figures ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
By sex
- Female1.4 mSeaLifeBasev25.04
Figures vary
- 1.5 mSeaLifeBasev25.04
Brain mass168 gCOMBINEDetails ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Maximum lifespan50 yearsCOMBINEDetails ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Generation length16 yearsCOMBINEDetails ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Age at maturity6.0 yearsCOMBINEDetails ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Gestation289 daysCOMBINEOther figures ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Figures vary
- 330 daysAnAgeAnAge build 15, 2023-07-03 (HAGR)data quality: low
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: low
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 density1.47 per km²COMBINEDetails ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Volume l87 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 Caspian seal yet: shoulder height, top speed, bite force.
Family tree
- kingdomAnimalia
- ›phylumChordata
- ›classMammalia
- ›orderCarnivora
- ›familyPhocidae
- ›genusPusa
- ›speciesPusa caspica
- classMammals · Mammalia
- orderCarnivorans · Carnivora
- familyPhocidae
- genusPusa
All 14 branches ↓Fewer branches ↑
- kingdomMetazoa
- phylumChordata
- subphylumCraniata
- subphylumVertebrata
- superclassGnathostomata
- superclassSarcopterygii
- superclassTetrapoda
- classMammals · Mammalia
- subclassTheria
- superorderLaurasiatheria
- orderCarnivorans · Carnivora
- suborderCaniformia
- familyPhocidae
- genusPusa
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