Hector's Dolphins at Porpoise Bay 1999 a cropped🐬

Photo: Avenue · CC BY-SA 3.0

SpeciesCetaceaDelphinidae
Marine mammals

🐬Hector's dolphin

Cephalorhynchus hectori (P.-J.van Bénéden, 1881)

Hector's dolphin is one of six dolphin species belonging to the genus Cephalorhynchus. Hector's dolphin is the only cetacean endemic to New Zealand, and comprises two subspecies: C. h. hectori, the more numerous subspecies, also referred to as South Island Hector's dolphin, and C. h. maui, the critically endangered Māui dolphin that is found off the West Coast of New Zealand's North Island.

Text: Wikipedia, CC BY-SA 4.0.

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Photos
2
Measurements
10
vs you
≈ half your weight
Also called
Hector’s Dolphin, New Zealand Dolphin, New Zealand White-front Dolphin, White-headed Dolphin
Conservation status
ENEndangered

IUCN Red List assessment, 2013.

Population trendDecreasing
Key measurements
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
All measurements ↓
Facts and figures

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 mass
50 kgrecord 57 kg · SeaLifeBase
COMBINE
Other figures ↓

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 length
1.8 m
COMBINE
Details ↓

Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0

Maximum lifespan
20 years
COMBINE
Details ↓

Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0

Generation length
13 years
COMBINE
Details ↓

Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0

Age at maturity
7.6 years
COMBINE
Details ↓

Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0

Gestation
335 days
COMBINE
Other figures ↓

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 size
1
COMBINE
Other figures ↓

Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0

Figures vary

  • 1AnAgeAnAge build 15, 2023-07-03 (HAGR)data quality: low
Trophic level
Carnivore
COMBINE
Details ↓

Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0

Activity cycle
Diurnal
COMBINE
Details ↓

Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0

Volume l
50 Laverage
Details ↓

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.

More

More about the Hector's dolphin

What it eats
fish80%
insects and other invertebrates20%
In other languages
Hector-Delfin (de), Cephalorhynchus hectori (es), Dauphin d'Hector (fr), Cephalorhynchus hectori (uk), Tonin nowozelandzki (pl), 헥토르돌고래 (ko) … and 22 more languages
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