Gonyosoma jansenii

Gonyosoma jansenii
Conservation status
Least Concern  (IUCN 3.1) [1]
Scientific classification
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

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]

Etymology

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

Habitat

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

Description

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

G. jansenii is semi-arboreal. ^{[1] [2]}

Reproduction

G. jansenii is oviparous. ^[2]

References

1. 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. 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

• Bleeker P (1858). "Gonyosoma Jansenii Blkr, eene nieuwe slang van Manado". Natuurkundig Tijdschrift voor Nederlandsch Indië16: 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". Copeia1958 (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.