🐋Gray whale
灰鯨（学名：Eschrichtius robustus），現又稱東太平洋灰鯨，其他称呼有加州灰鲸、魔鬼鱼、掘贝者和弱鲸，是一種每年來往攝食區和繁殖區的鯨。为灰鲸科灰鲸属的动物。在中国大陆，分布于黄海、东海等海域，多栖息于热带及暖温带海域。该物种的模式产地在瑞典。牠們約有16公尺長，36公噸重，一般可活到50–60歲。灰鯨曾一度被稱為「魔鬼魚」，因為當牠們被追獵時會奮力搏鬥。灰鯨是灰鲸屬中唯一的现存物種，亦是灰鯨科中唯一的现存物種。灰鯨科在地球上已有約1500萬年的歷史。在很久之前灰鯨科一度是巨牙鯊的捕食對象（巨牙鯊現已滅絕）。
Text: Wikipedia, CC BY-SA 4.0.
IUCN Red List assessment, 2018.
- Body mass
- 27,300 kg
- Body length
- 14 m
- Shoulder height
- not recorded
- Top speed
- not recorded
- Bite force
- not recorded
- Maximum lifespan
- 77 years
Everything we know about the Gray whale
Typical adult figures. Where a value is an estimate rather than a measurement, it says so.
Body mass27,300 kgrecord 35,000 kg · SeaLifeBaseCOMBINEOther figures ↓Hide ↑
Record: largest individual on record
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Figures vary
- 28,500 kgAnAgeAnAge build 15, 2023-07-03 (HAGR)data quality: acceptable
Body length14 mCOMBINEOther figures ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Figures vary
- 15 mSeaLifeBasev25.04
Brain mass4,317 gCOMBINEDetails ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Maximum lifespan77 yearsrecord 48 years · SeaLifeBaseCOMBINEOther figures ↓Hide ↑
Record: largest individual on record
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Figures vary
- 77 yearsAnAgeAnAge build 15, 2023-07-03 (HAGR)data quality: acceptable
Generation length29 yearsCOMBINEDetails ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Age at maturity8.7 yearsCOMBINEDetails ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Gestation1.0 yearsCOMBINEOther figures ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Figures vary
- 1.1 yearsAnAgeAnAge 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 levelOmnivoreCOMBINEDetails ↓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
Population density4.9 per km²COMBINEDetails ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Volume l27,300 LaverageDetails ↓Hide ↑
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 Gray whale yet: shoulder height, top speed, bite force.
Family tree
- kingdomAnimalia
- ›phylumChordata
- ›classMammalia
- ›orderCetacea
- ›familyEschrichtiidae
- ›genusEschrichtius
- ›speciesEschrichtius robustus
- classMammals · Mammalia
- orderEven-toed hoofed animals · Artiodactyla
- infraorderWhales & dolphins · Cetacea
- genusEschrichtius
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
- familyEschrichtiidae
- genusEschrichtius
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