Gonyosoma jansenii, commonly known as the Celebes black-tailed rat snake, the Celebes ratsnake, and Jansen's rat snake, is a species of snake in the subfamily Colubrinae of the family Colubridae. The species is endemic to the Indonesian island of Sulawesi.[2]

Gonyosoma jansenii
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Serpentes
Family: Colubridae
Genus: Gonyosoma
Species:
G. jansenii
Binomial name
Gonyosoma jansenii
Bleeker, 1858
Synonyms[2]
  • Gonyosoma janseni
    Bleeker, 1858
  • Allophis (Elaphis) nigricaudus
    W. Peters, 1872
  • Coluber janseni
    Boulenger, 1894
  • Gonyosoma jansenii
    Dowling, 1958
  • Elaphe janseni
    Schulz, 1996
  • Gonyosoma jansenii
    Wallach et al., 2014

Etymology

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The specific name, jansenii, is in honor of Albert Jacques Frédéric Jansen, who was an administrator in the Dutch East Indies.[3]

Habitat

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The preferred natural habitat of G. jansenii, is forest, at altitudes from sea level to 1,000 m (3,300 ft).[1]

Description

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A long snake, G. jansenii may attain a total length of 199 cm (6.53 ft), which includes a tail length of 45 cm (1.48 ft). Adults are olive or yellowish brown on the anterior and middle portions of the body, with some scales black-edged. They are entirely black on the posterior portion of the body and tail (Boulenger, 1894).

Behavior

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G. jansenii is semi-arboreal.[1][2]

Reproduction

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G. jansenii is oviparous.[2]

References

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  1. ^ a b c Rusli, N.; Gillespie, G. (2021). "Gonyosoma jansenii ". IUCN Red List of Threatened Species. 2021: e.T104839453A104853990. doi:10.2305/IUCN.UK.2021-3.RLTS.T104839453A104853990.en. Retrieved 30 December 2022.
  2. ^ a b c d Gonyosoma jansenii at the Reptarium.cz Reptile Database. Accessed 23 December 2018.
  3. ^ 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. (Gonyosoma jansenii, p. 133).

Further reading

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  • Bleeker P (1858). "Gonyosoma Jansenii Blkr, eene nieuwe slang van Manado". Natuurkundig Tijdschrift voor Nederlandsch Indië 16: 242. (Gonyosoma jansenii, new species, p. 242). (in Dutch).
  • Boulenger GA (1894). Catalogue of the Snakes in the British Museum (Natural History). Volume II., Containing the Conclusion of the Colubridæ Aglyphæ. London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xi + 382 pp. + Plates I–XX. (Coluber janseni, pp. 57–58 + Plate I, figure 2, dorsal and lateral views of head).
  • Dowling HG (1958). "A Taxonomic Study of the Ratsnakes VI. Validation of the Genera Gonyosoma Wagler and Elaphe Fitzinger". Copeia 1958 (1): 29–40.
  • Koch A (2012). Discovery, Diversity, and Distribution of the Amphibians and Reptiles of Sulawesi and its offshore islands. Frankfurt am Main, Germany: Edition Chimaira. 374 pp. ISBN 978-3-89973-432-4.