🐋North Pacific right whale
The North Pacific right whale is a very large, thickset baleen whale species that is extremely rare and endangered.
Text: Wikipedia, CC BY-SA 4.0.
IUCN Red List assessment, 2018.
- Body mass
- 23,000 kg
- Body length
- 18 m
- Shoulder height
- not recorded
- Top speed
- not recorded
- Bite force
- not recorded
- Maximum lifespan
- 67 years
Everything we know about the North Pacific right whale
Typical adult figures. Where a value is an estimate rather than a measurement, it says so.
Body mass23,000 kgCOMBINEDetails ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Body length18 mCOMBINEDetails ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Maximum lifespan67 yearsCOMBINEDetails ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Generation length27 yearsestimatedCOMBINEDetails ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Age at maturity6.4 yearsCOMBINEDetails ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Gestation350 daysCOMBINEDetails ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Litter size1COMBINEDetails ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Trophic levelCarnivoreestimatedCOMBINEDetails ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Activity cycleCrepuscular / mixedCOMBINEDetails ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Volume l23,000 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 North Pacific right whale yet: shoulder height, top speed, bite force.
Family tree
- kingdomAnimalia
- ›phylumChordata
- ›classMammalia
- ›orderCetacea
- ›familyBalaenidae
- ›genusEubalaena
- ›speciesEubalaena japonica
- classMammals · Mammalia
- orderEven-toed hoofed animals · Artiodactyla
- infraorderWhales & dolphins · Cetacea
- genusEubalaena
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
- familyBalaenidae
- genusEubalaena
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