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Leiopython albertisii.jpg
Leiopython albertisii
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Subphylum: Vertebrata
Class: Reptilia
Order: Squamata
Suborder: Serpentes
Family: Pythonidae
Genus: Leiopython
Hubrecht, 1879
Species: L. albertisii
Binomial name
Leiopython albertisii
(W. Peters & Doria, 1878)
  • Liasis Albertisii
    W. Peters & Doria, 1878
  • Leiopython gracilis
    Hubrecht, 1879
  • Liasis albertisii Boulenger, 1893
  • Liasis fuscus albertisii
    Stull, 1935
  • Liasis fuscus albertisi
    — Capocaccia, 1961
  • Liasis fuscus albertisii
    — Stimson, 1969
  • Liasis albertisi — Switak, 1973
  • Liasis albertisii — McDowell, 1975
  • Bothrochilus albertisii
    H.G. Cogger, Cameron &
    H.M. Cogger, 1983
  • Lisalia albertisi
    — Wells & Wellington, 1984
  • Morelia albertisii
    Underwood & Stimson, 1990
  • L[eiopython]. albertisii
    Kluge, 1993
  • Leiopython albertisi
    O'Shea, 1996
  • Leiopython albertisii
    — O'Shea, 1996[1]
  • Bothrochilus albertisii
    — Reynolds et al., 2014[2]
Common names: white-lipped python, D'Albertis' python,[3] D'Albert's water python.[4]

Leiopython is a genus of nonvenomous pythonid snakes, which currently comprises six species.[5] It was formerly a monotypic genus created for the species, L. albertisii, found in New Guinea, described here. No subspecies are currently recognized.[6] Leiopython was first described as an intermediate genus between Liasis and Nardoa.[7]


The species, Leiopython albertisii, was named in honor of Luigi D'Albertis.[8][9]


Female adults of the northern white-lipped python (Leiopython albertisii) grow to an average of about 213 cm in length (6–7 ft), whereas the southern white-lipped python can reach up to 300 cm (9.8 ft) in length. They are patternless, except the northern white-lipped python has some light markings on its postoculars,[4] which are absent in the southern white-lipped python.[5] The snout is triangular and the head is distinct from the neck. The dorsum of the head is shiny black, the upper and lower labial scales are white with black markings on the anterior edge of the scales. Body color is either brownish-violet fading to yellowish ventrally (L. albertisii) or blackish-blue fading to gray. These pythons also regurgitate fur balls, also known as "castings". This behavior is rarely seen, but 2–3 days after feeding, the results are seen. Owners of white-lipped pythons often think their snake is regurgitating its food.

Geographic range[edit]

These snakes are found in most of New Guinea (below 1200 m), including the islands of Salawati and Biak, Normanby, Mussau and Emirau,[5] as well as a few islands in the Torres Strait.

The type locality given is "Kapaor in Nova Guinea boreali occidentali ... et prope Andai ". The authors also stated localities for two additional specimens: "... un esemplare a Kapaor fra i Papua Onin..." and "... un secondo esemplare ad Andai presso Dorei..." (Kapoar, Onin Peninsula and Andai, near Dorei, Irian Jaya, Indonesia).[1]

Some doubt can be cast on its occurrence on Normanby, as McDowell (1975)[10] had erroneously assigned Bara Bara to this island, rather than to the mainland of Papua New Guinea[5] in Milne Bay Province as stated by Boulenger (1898)[11] and Koopman (1982).[12]


Associated with rain forests, cutover clearings and swamps, they are usually found near water, into which they may quickly retreat if disturbed. They often hide under dead leaves on forest floor.[4]


The diet includes a range of small- to medium-sized birds and mammals.[4] Neonates and juveniles often feed on lizards.


The oviparous females lay about a dozen eggs. The eggs stick together in a compact pile, and the females coils around them. The hatchlings emerge after about two months of incubation and are about 38 cm (15 in) in length.[4]


A new species L. hoserae, and two new subspecies L. albertisii barkeri and L. a. bennetti, were described in Hoser (2000),[13][14] but these descriptions are considered vague and questionable.[15][16] In 2008, Schleip[5] redescribed and provided proper descriptions and diagnoses for two of Hoser's (2000) taxa, Leiopython hoserae, from the southern lowlands of Papua New Guinea and neighbouring Indonesia, and L. benettorum, from the highlands of Morobe Province, Papua New Guinea. A third, Leiopython albertisii barkeri was considered a nomen nudum due to Hoser not having provided a description that includes characters to differentiate this taxon from others.[5] Three new species were also described:[5] L. biakensis from the island of Biak (part of the Indonesian Province of Papua, L. fredparkeri from the Karimui Basin, Simbu Province, Papua New Guinea, and L. huonensis from the Huon Peninsula, Morobe Province, Papua New Guinea.

The taxonomy of the Pythonidae family is fluid; however, an arrangement[2] of the genus may be summarised as:


(* The specific name, bennettorum, is genitive plural because it is in honor of two unrelated zoologists named Bennett: Clive Bennett, and Daniel Bennett.)[9]

See also[edit]


  1. ^ a b McDiarmid RW, Campbell JA, Touré T. 1999. Snake Species of the World: A Taxonomic and Geographic Reference, Volume 1. Washington, District of Columbia: Herpetologists' League. 511 pp. ISBN 1-893777-00-6 (series). ISBN 1-893777-01-4 (volume).
  2. ^ a b R. Graham Reynolds, Matthew L. Niemiller, Liam J. Revell, 2014, Toward a Tree-of-Life for the boas and pythons: Multilocus species-level phylogeny with unprecedented taxon sampling
  3. ^ Barker DG, Barker TM. 1994. Pythons of the World: Volume 1, Australia. Lakeside, California: Advanced Vivarium Systems Inc. 171 pp. ISBN 1-882770-27-7.
  4. ^ a b c d e Mehrtens JM. 1987. Living Snakes of the World in Color. New York: Sterling Publishers. 480 pp. ISBN 0-8069-6460-X.
  5. ^ a b c d e f g Schleip WD. 2008. "Revision of the Genus Leiopython Hubrecht 1879 (Serpentes: Pythonidae) with the Redescription of Taxa Recently Described by Hoser (2000) and the Description of New Species". Journal of Herpetology 42 (4): 645–667.
  6. ^ "Leiopython". Integrated Taxonomic Information System. Retrieved 9 September 2007. 
  7. ^ Hubrecht AAW. 1879. "Notes III. On a new genus and species of Pythonidae from Salawatti". Notes from the Leyden Museum 1: 14-15. ("Leiopython n. gen.", p. 14).
  8. ^ Peters W, Doria G. 1878. "Catalogo dei rettili e dei batraci raccolti da O. Beccari, L. M. D'Albertis e A. A. Bruijn nella sotto-regione austro-malese". Annali del Museo Civico di Storia Naturale di Genova, Series 1, 13: 323-450. ("Liasis Albertisii, n. sp.", pp. 401-403 + Plate III, Figure 2).
  9. ^ a b Beolens B, Watkins M, Grayson M. 2011. The Eponym Dictionary of Reptiles. Baltimore: Johns Hopkins University Press. xiii + 296 pp. ISBN 978-1-4214-0135-5. (Leiopython albertisii, p. 64; L. bennettorum, p. 22).
  10. ^ McDowell SB. 1975. "A catalogue of the snakes of New Guinea and the Solomon’s, with special Reference to Those in the Bernice P. Bishop Museum. Part II". (24.02.1975). Journal of Herpetology 9 (1): 1-79.
  11. ^ Boulenger GA. 1898. "An account of the reptiles and batrachians collected by Dr. L. Loria in British New Guinea". Annali del Museo Civico di Storia Naturale di Genova, Series 2, 18: 694-710.
  12. ^ Koopman KF. 1982. "Results of the Archibold Expedition No. 109. Bats from Eastern Papua and the East Papua Islands". American Museum Novitates (2747): 1-34.
  13. ^ Hoser R. 2000. A Revision of the Australasian pythons. HTML at C-View Media. Accessed 10 September 2007.
  14. ^ Hoser R. 2000. A Revision of the Australasian pythons. HTML at Smuggled.com. Accessed 10 September 2007.
  15. ^ Leiopython albertisii at the Reptarium.cz Reptile Database. Accessed 9 September 2007.
  16. ^ Wüster W, Bush B, Keogh JS, O'Shea M, Shine R. 2001. "Taxonomic contributions in the "amateur" literature: comments on recent descriptions of new genera and species by Raymond Hoser". Litteratura Serpentium 21: 67-91. PDF at Wolfgang Wüster. Accessed 10 September 2007.

External links[edit]