🐬Hector's dolphin
De hectordolfijn (Cephalorhynchus hectori) is een soort dolfijn uit Nieuw-Zeeland. De hectordolfijn is genoemd naar James Hector (1834-1907), toenmalig curator van het Colonial Museum in Wellington (nu Te Papa Tongarewa). Hij onderzocht het eerste specimen van de soort die wetenschappelijk beschreven werd door de Belgisch zoöloog Pierre-Joseph van Beneden in 1881. Cephalorhynchus hectori maui is een genetisch afgescheiden ondersoort van de hectordolfijn. Deze leeft nabij de noordwestelijke kust van het Nieuw-Zeelandse Noordereiland. De ondersoort wordt door het IUCN als kritisch bedreigd bestempeld. In 2011 werd hun aantal geschat op minder dan 100 levende exemplaren, waarvan 25 vrouwtjes. In 2013 werd het totale volwassen exemplaren op 55 geschat. Vooral de visvangst vormt een bedreiging voor de ondersoort.
Text: Wikipedia, CC BY-SA 4.0.
IUCN Red List assessment, 2013.
- Body mass
- 50 kg
- Body length
- 1.8 m
- Shoulder height
- not recorded
- Top speed
- not recorded
- Bite force
- not recorded
- Maximum lifespan
- 20 years
Everything we know about the Hector's dolphin
Typical adult figures. Where a value is an estimate rather than a measurement, it says so.
Body mass50 kgrecord 57 kg · SeaLifeBaseCOMBINEOther figures ↓Hide ↑
Record: largest individual on record
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Figures vary
- 56 kgAnAgeAnAge build 15, 2023-07-03 (HAGR)data quality: low
Body length1.8 mCOMBINEDetails ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Maximum lifespan20 yearsCOMBINEDetails ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Generation length13 yearsCOMBINEDetails ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Age at maturity7.6 yearsCOMBINEDetails ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Gestation335 daysCOMBINEOther figures ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Figures vary
- 335 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 cycleDiurnalCOMBINEDetails ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Volume l50 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 Hector's dolphin yet: shoulder height, top speed, bite force.
Family tree
- kingdomAnimalia
- ›phylumChordata
- ›classMammalia
- ›orderCetacea
- ›familyDelphinidae
- ›genusCephalorhynchus
- ›speciesCephalorhynchus hectori
- classMammals · Mammalia
- orderEven-toed hoofed animals · Artiodactyla
- infraorderWhales & dolphins · Cetacea
- familyDelphinidae
All 14 branches ↓Fewer branches ↑
- kingdomMetazoa
- phylumChordata
- subphylumCraniata
- subphylumVertebrata
- superclassGnathostomata
- superclassSarcopterygii
- superclassTetrapoda
- classMammals · Mammalia
- subclassTheria
- superorderLaurasiatheria
- orderEven-toed hoofed animals · Artiodactyla
- suborderWhippomorpha
- infraorderWhales & dolphins · Cetacea
- familyDelphinidae
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