Polemon neuwiedi

Polemon neuwiedi
Conservation status
	; Least Concern (IUCN 3.1)[1]
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Squamata
Suborder:	Serpentes
Family:	Lamprophiidae
Genus:	Polemon
Species:	P. neuwiedi
Binomial name
	Polemon neuwiedi; (Jan, 1858)
Synonyms[2]
	Microsoma neuwiedi ; Jan, 1858; Elapomorphus (Urobelus) neuwiedi ; — Jan, 1866; Miodon neuwiedii ; — Boulenger, 1896; Cynodontophis neuwiedi ; — de Witte & Laurent, 1947; Polemon neuwiedi ; — Welch, 1994;

Polemon neuwiedi, called commonly the Ivory Coast snake-eater or Neuwied's polemon, is a species of venomous rear-fanged snake in the family Lamprophiidae.[2][3] The species is endemic to West Africa.[1][2]

Etymology

The specific name or epithet, neuwiedi, honors Prince Maximilian of Wied-Neuwied, a German naturalist.[4]

Geographic range

P. neuwiedi is found in Benin, Burkina Faso, Ghana, Ivory Coast, Mali, and Togo. It may also occur in Nigeria though definite records may be lacking.[1][2]

Description

Dorsally, P. neuwiedi is pale brown with three narrow black stripes. The upper surface of the head and the base of the tail are black. Ventrally, it is white.

It may attain a total length of 172 mm (6 ³⁄₄ in), with a tail 10 mm (³⁄₈ in) long.

The dorsal scales are smooth, without apical pits, and are arranged in 15 rows at midbody. The ventrals number 238. The anal plate is divided. The subcaudals number 21, and are also divided.

The diameter of the eye is less than its distance from the mouth. The rostral is slightly broader than high, barely visible from above. The internasals are shorter than the prefrontals. The frontal is almost twice as broad as the supraocular, as long as broad, as long as its distance from the rostral, much shorter than the parietals. The nasal is entire, in contact with the preocular. There is one preocular and one postocular. The temporals are arranged 1+1. There are seven upper labials, the third and fourth entering the eye. The first lower labial forms a suture with its fellow behind the mental. There are three lower labials in contact with the anterior chin shield. There are two pairs of chin shields, the anterior pair slightly shorter than the posterior pair.[5]

Habitat

P. neuwiedi inhabits moist savanna and humid open forest at elevations below 500 m (1,600 ft).

Behavior

P. neuwiedi is a rare fossorial and nocturnal species.[1]

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References

Chirio L (2013). "Polemon neuwiedi ". IUCN Red List of Threatened Species. 2013: e.T13264680A13264691. doi:10.2305/IUCN.UK.2013-1.RLTS.T13264680A13264691.en.
Polemon neuwiedi at the Reptarium.cz Reptile Database. Accessed 5 March 2018.
"Polemon". Integrated Taxonomic Information System. Retrieved 5 September 2007.
Beolens, Bo; Watkins, Michael; Grayson, Michael (2011). The Eponym Dictionary of Reptiles. Baltimore: Johns Hopkins University Press. xiii + 296 pp. ISBN 978-1-4214-0135-5. (Polemon neuwiedi, p. 189).
Boulenger GA (1896). Catalogue of the Snakes in the British Museum (Natural History), Volume III., Containing the Colubridæ (Opisthoglyphæ and Proteroglyphæ) ... London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xiv + 727 pp. + Plates I-XXV. (Genus Miodon, pp. 249-250; M. neuwiedi, p. 253).