Bismarck Ringed Python
Bothrochilus boa
A small, boldly ringed python from the islands of the Bismarck Archipelago, known for dramatic color change with age.
- Venomous?
- Non-venomous
- Adult length
- 1-1.5 m (3.3-5 ft)
- Range
- Bismarck Archipelago, Papua New Guinea
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Overview
The Bismarck Ringed Python is a small python endemic to islands off Papua New Guinea, notable for its striking banded pattern that changes dramatically from juvenile to adult coloration.
Juveniles often display bright, high-contrast bands, while adults typically darken and the pattern becomes less distinct, a phenomenon known as ontogenetic color change.
How to identify it
- Juveniles show bold black-and-white or black-and-cream rings
- Adults typically darken, with bands becoming less contrasting or nearly obscured
- Smooth, glossy scales with iridescent sheen
- Relatively small, slender build compared to other pythons
- Vertical pupils
- Distinguished from other small pythons by its ringed juvenile pattern and island endemism
Habitat & range
Restricted to islands of the Bismarck Archipelago, inhabiting lowland forest and areas near human settlements.
Behavior, diet & reproduction
Nocturnal, feeding on small mammals and birds. Notable for pronounced ontogenetic (age-related) color change. Reproduces by laying eggs.
Frequently asked questions
Why do juveniles look so different from adults?
The species undergoes dramatic ontogenetic color change, losing its bold banding as it matures.
Is it venomous?
No, it is non-venomous.
Where does it live?
It is endemic to the Bismarck Archipelago near Papua New Guinea.
How big does it get?
It is a relatively small python, typically 1-1.5 m (3.3-5 ft).
Bismarck Ringed Python guides
In-depth guides for identifying and understanding Bismarck Ringed Python.
