Reptiles
Amethystine Python
Simalia amethistina · also called scrub python
Catch an amethystine python in direct sunlight and its smooth scales flash an unexpected iridescent purple, a shimmer distinctive enough to name the species after a gemstone. It is Australia’s largest native snake, equally comfortable coiled in a tree or moving across the rainforest floor of its northern range.
Overview
The amethystine python, Simalia amethistina, is a large, semi-arboreal constrictor native to rainforest and forest habitat across northern Australia, New Guinea, and nearby islands. It hunts mammals and birds, killing prey through constriction.
Size and shimmer
Between its status as Australia’s largest native snake and the genuinely striking purple sheen its scales throw off in the right light, the amethystine python combines record-holding size with a visual signature few other pythons can match.
Status
Least Concern — widespread and stable across suitable rainforest and forest habitat throughout its northern Australian and New Guinea range.
Amethystine Python: common questions
How big can an amethystine python actually get?
The amethystine python is the largest snake species native to Australia, capable of growing to a considerable length that exceeds every other snake found natively on the continent, making it a genuinely substantial constrictor by Australian standards, though still smaller than the largest python and boa species found elsewhere in the world.
Why is it called an amethystine python?
The amethystine python's smooth scales reflect an iridescent, faintly purple sheen when struck by direct sunlight, an optical effect reminiscent of the gemstone amethyst, and this distinctive shimmer gave the species its common name well before more detailed scientific classification was established.
Does the amethystine python spend time in trees?
Yes, the amethystine python is semi-arboreal, capable of climbing effectively and often found resting or hunting in trees as well as on the ground, a lifestyle that gives it access to a wider range of shelter options and hunting locations compared with a snake restricted entirely to the forest floor.
Is the amethystine python dangerous to humans?
The amethystine python is non-venomous and generally considered to have a comparatively calm temperament for its size when not provoked, though given its considerable length and strength as Australia's largest native snake, appropriate caution and experienced handling are still recommended around wild or captive individuals.