High Quality Content by WIKIPEDIA articles! Painted Keelback Xenochrophis cerasogaster is a species of Colubrid snake found in Pakistan, Nepal, Bangladesh and India. This snake is also called the "Dark Bellied Marsh Snake."Head narrow, elongate, with angular canthus rostralis and slightly concave lores; eye moderate or rather small. Rostral once and one third to twice as broad as long; suture between the internasals nearly as long as that between the prefrontals; frontal much longer than its distance from the end of the snout, as long as the parietals; lorealas long as deep or a little longer than deep; one preocular; two or three postoculars and one or two sub-oculars ; temporals 2+2 or 2+3 ; upper labials 9, fourth (rarely fifth) entering the eye; 5 or 6 lower labials in contact with the anterior chin-shields, which are as long as the posterior or a little shorter.

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