Tretanorhinus mocquardi

Tretanorhinus mocquardi
Conservation status
	; Data Deficient (IUCN 3.1)
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Squamata
Suborder:	Serpentes
Family:	Colubridae
Genus:	Tretanorhinus
Species:	T. mocquardi
Binomial name
	Tretanorhinus mocquardi; Bocourt, 1891

Last updated November 02, 2025

Tretanorhinus mocquardi, also known commonly as Mocquard's swamp snake, is a species of snake in the subfamily Dipsadinae of the family Colubridae. The species is native to Colombia, Ecuador, and Panama.^[2]

Etymology

The specific name, mocquardi, is in honor of French herpetologist François Mocquard.^[3]^: 181

Description

Tretanorhinus mocquardi has a single prefrontal. There are 19 rows of dorsal scales at midbody. Males have 166–169 ventrals and 78–85 subcaudals. Females have 168–177 ventrals and 69–74 subcaudals. Dorsally, it is brownish olive, with a yellow stripe on each flank.^[2]

Habitat

The preferred natural habitat of Tretanorhinus mocquardi is freshwater wetlands such as swamp forest and mangroves, at elevations from sea level to 30 m (98 ft).^[1]

Reproduction

Tretanorhinus mocquardi is oviparous.^[2]

References

1 2 Ibáñez, R.; Jaramillo, C.; Cisneros-Heredia, D.F. (2016). "Tretanorhinus mocquardi ". IUCN Red List of Threatened Species . 2016 e.T203599A2769032. Retrieved 20 November 2021.
1 2 3 Species Tretanorhinus mocquardi at The Reptile Database
↑ Beolens, B.; Watkins, M.; Grayson, M. (2011). The Eponym Dictionary of Reptiles. Baltimore: Johns Hopkins University Press. pp. xiii + 296. ISBN 978-1-4214-0135-5.

Bocourt, [M.F.] (1891). "Note sur quelques ophidiens de l'Amérique intertropicale appartenant au genre Tretanorhinus". Le Naturaliste, Deuxième Sėrie. 5: 121–122. (Tretanorhinus mocquardi, new species). (in French).
Boulenger, G.A. (1893). Catalogue of the Snakes in the British Museum (Natural History). Volume I., Containing the Families ... Colubridæ Aglyphæ, part. London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xiii + 448 pp. + Plates I–XXVIII. (Tretanorhinus mocquardi, p. 283).
Dunn, E.R. (1939). "Mainland Forms of the Snake Genus Tretanorhinus". Copeia. 1939 (4): 212–217. (Tretanorhinus mocquardi, p. 214).
Smith, H.M. (1958). "Handlist of the Snakes of Panama". Herpetologica. 14 (4): 222–224.

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[iucn_status_20_November_2021-1] 1 2 Ibáñez, R.; Jaramillo, C.; Cisneros-Heredia, D.F. (2016). "Tretanorhinus mocquardi ". IUCN Red List of Threatened Species . 2016 e.T203599A2769032. Retrieved 20 November 2021.

[RDB-2] 1 2 3 Species Tretanorhinus mocquardi at The Reptile Database

[3] Beolens, B.; Watkins, M.; Grayson, M. (2011). The Eponym Dictionary of Reptiles. Baltimore: Johns Hopkins University Press. pp. xiii + 296. ISBN 978-1-4214-0135-5.

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