Black-headed python

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Species of snake

title: "Black-headed python" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["pythonidae", "reptiles-of-western-australia", "taxa-named-by-gerard-krefft", "reptiles-described-in-1864", "snakes-of-australia"] description: "Species of snake" topic_path: "geography/australia" source: "https://en.wikipedia.org/wiki/Black-headed_python" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::summary Species of snake ::

Aspidites melanocephalus — Boulenger, 1893
Aspidites melanocephalus melanocephalus — Loveridge, 1934
Aspidites melanocephalus melanocephalus — Stull, 1935
Aspidites melanocephalus — H.G. Cogger, Cameron & H.M. Cogger, 1983 | range_map = Black-headed Python.png | range_map_caption = Distribution of the black-headed python

The black-headed python (Aspidites melanocephalus) is a species of snake in the family Pythonidae (the python family). The species is endemic to Australia. There are no subspecies that are recognized as being valid.

Description

::figure[src="https://upload.wikimedia.org/wikipedia/commons/4/4a/Blackheaded_python2.jpg" caption="''A. melanocephalus'' at the [[Cameron Park Zoo]]."] ::

::figure[src="https://upload.wikimedia.org/wikipedia/commons/2/2d/Harriet_Scott_-_Black-headed_Snake,Aspidiotes_melanocephalus-_Google_Art_Project.jpg" caption="title=The Snakes of Australia; An Illustrated and Descriptive Catalogue of All the Known Species}} Sydney: Thomas Richards, Government Printer. xxv + 100 pp. + index + Plates I–XII. (''Aspidiotes melanocephalus'', pp. 33–34 + Plate III & Plate V, figure 4)."] ::

Adults of A. melanocephalus typically grow to 1.5 - in length (including tail), but can grow to a maximum length of 3.5 m. The body is muscular with a flattened profile, while the tail tapers to a thin point.

The top of the head is covered by large symmetrical scales. The dorsal scales, which are smooth and glossy, number 50-65 rows at midbody, while 315-355 ventral scales occur. The tail has 60-75 mainly single subcaudal scales and the anal scale is single. The posterior subcaudals tend to be divided, often irregularly.

The color pattern consists of shades of black, dark grey, brown, gold, and cream arranged in a banded or brindled pattern. The belly is light-colored, flecked with darker spots. The head is shiny black that also extends down the neck and throat for several inches.

Distribution and habitat

The species A. melanocephalus is found in Australia, in the northern half of the country, excluding the very arid regions. The type locality given is "Port Denison Bowen", Queensland, Australia. It occurs in humid tropical to semiarid conditions. ::figure[src="https://upload.wikimedia.org/wikipedia/commons/b/bb/BlackHeadedPythonKingAshBay.jpg" caption="A black-headed python seeking warmth on a road near [[Borroloola]] on a cold morning"] ::

Behavior

A. melanocephalus is terrestrial and is often found amongst rocks and loose debris. If disturbed, it hisses loudly, but is unlikely to bite unless hunting prey. It sometimes strikes with a closed mouth, but generally can be handled easily. It is a strong swimmer, but is almost never found in water. It is not venomous.

Feeding

The diet of A. melanocephalus consists mainly of reptiles, including snakes, but it will eat mammals and some birds if available. Skinks are the primary prey of the black-headed python. Other important prey include geckos, bearded dragons, legless lizards and the perentie, the largest monitor lizard native to Australia, When ingesting large prey, it positions one or two coils just ahead of its distended mouth and by constriction makes the task of swallowing easier.

Reproduction

A. melanocephalus is oviparous. Adult females lay five to 10 eggs per clutch. The females stay coiled about the eggs and incubate them until they hatch, which is usually after 2–3 months. The young take small prey as soon as two days after hatching. Immature individuals are vulnerable to predation. Adults have no natural predators other than dingos and humans.

Captivity

Due to its docile nature and striking color pattern, A. melanocephalus has become very desirable as an exotic pet. It is bred in captivity and can be relatively easily obtained, but does command a high price. As it can be a muscular snake and reaches a fairly substantial size, prospective owners should consider a suitable enclosure, as well as temperature and feeding requirements.

In human culture

A. melanocephalus is mentioned in, or plays a central role in, the stories of the Indigenous Australians Dreamtime tradition.

References

[[species:Glenn Michael Shea. (2017). "''Aspidites melanocephalus ''".
[[:fr:Roy Wallace McDiarmid. McDiarmid RW]], [[Jonathan A. Campbell. Campbell JA]], [[species:T'Shaka A. Touré. Touré TA]] (1999). ''Snake Species of the World: A Taxonomic and Geographic Reference, Vol. 1''. Washington, District of Columbia: Herpetologists' League. 511 pp. {{ISBN. 1-893777-00-6 (series). {{ISBN. 1-893777-01-4 (volume).
[[species:John M. Mehrtens. Mehrtens JM]] (1987). ''Living Snakes of the World in Color''. New York: Sterling Publishers. 480 pp. {{ISBN. 0-8069-6460-X.
Krefft G. (1869). "The Snakes of Australia; An Illustrated and Descriptive Catalogue of All the Known Species".
Burnie, David; [[Don E. Wilson. Wilson, Don E.]] (Editors-in-Chief) (2001). ''Animal''. London: Dorling Kindersley. 624 pp. {{ISBN. 0-7894-7764-5.
"''Aspidites melanocephalus'' (Black-headed Python)".
White, Robyn White. (19 October 2023). "Cannibalistic Snake Devours Fellow Black-Headed Python Alive". Newsweek.

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