Tuatara

VU Carnivore, Insectivore Islands, Coastal Areas
Up to 1.5 kg
Weight
Up to 100 yrs
Lifespan
N/A
Top Speed
New Zealand New Zealand
Found In

At just Up to 1.5 kg, the Tuatara is one of the lightest carnivore reptiles (#11 of 11). Found in New Zealand, it inhabits islands, coastal areas habitats.

Physical Characteristics & Habitat

Size & Speed

Metric Tuatara Carnivore Reptiles Median Difference
Weight 1.5 kg 90 kg ↓ 98%
Height 80 cm
Avg Speed 0.0 km/h
Weight (kg)1.5avg 90Lifespan (yrs)100avg 23.8

Habitat & Distribution

The Tuatara inhabits islands, coastal areas habitats. It can be found in New Zealand.

Typical coloring: Grayish-brown.

Diet & Predators

Diet: Carnivore, Insectivore
Predators: Rats, Cats

Behavior & Reproduction

Social Structure

The Tuatara is a solitary species belonging to the Rhynchocephalia family.

Reproduction

Gestation Period: 12–15 days
Offspring per Birth: Up to 16
Lifespan: Up to 100 years

Conservation & Comparison

IUCN Conservation Status

VU The Tuatara is classified as Vulnerable. There are 34 species with the same status in our database.

Species Comparison

Among 11 carnivore reptiles, the Tuatara’s weight of Up to 1.5 kg is significantly lower than the group median of 90 kg.

Weight rank: #31 of 34 Vulnerable species.

# Species Weight Status
1 Sperm Whale Up to 57000 kg VU
2 African Elephant 2700–6000 kg VU
3 Great White Shark Up to 2268 kg VU
4 Hippopotamus 1300–3200 kg VU
5 Gaur 600–1300 kg VU

Related Species

How much does a Tuatara weigh?

A Tuatara typically weighs Up to 1.5 kg, which is exceptionally low compared to the median of 90 kg among carnivore reptiles.

What is the conservation status of the Tuatara?

The Tuatara is classified as “Vulnerable”. There are 34 species with the same status in our database.

Where does the Tuatara live?

The Tuatara is found in New Zealand, in islands, coastal areas habitats.

How does the Tuatara reproduce?

The Tuatara has a gestation period of 12–15 days and typically produces Up to 16 offspring per birth.

Data Sources: IUCN, WWF, National Geographic, Smithsonian Institution.

Last Updated: April 10, 2026