Tuatara (Sphenodon punctatus) — Least Concern Reptilia

Tuatara

Sphenodon punctatus

Conservation Status

Least Concern

Reptilia · Rhynchocephalia · Sphenodontidae

About

The tuatara is a reptile endemic to New Zealand. Despite its lizard-like appearance, it belongs to a distinct order, Rhynchocephalia, whose other members went extinct around 60 million years ago. Tuatara can grow up to 80 cm (31 in) in length and are notable for their slow growth rate and longevity. They have a unique double row of teeth on the upper jaw and a single row on the lower jaw, a feature not seen in any other living reptile.

Fun Fact

Tuataras are the sole surviving members of an order (Rhynchocephalia) that thrived alongside dinosaurs 200 million years ago — they have a vestigial 'third eye' on top of their head that detects light and may regulate circadian rhythms.

Quick Facts

Habitat

Coastal forest and scrubland on offshore islands

Diet

Carnivore

Lifespan

60-100 years

Threats

  • Introduced Mammals
  • Climate Change

External Data Sources

Recent sightings on iNaturalist IUCN Red List profile

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