Opisthotropis haihaensis ZIEGLER, PHAM, NGUYEN, NGUYEN, WANG, WANG, STUART, & LE, 2019
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Opisthotropis haihaensis
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| Higher Taxa | Colubridae (Natricinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) |
| Subspecies | |
| Common Names | E: Hai Ha Mountain Stream Keelback Vietnamese: Rắn trán hải hà Chinese: 海河后棱蛇 (Hai He Hou Leng She) |
| Synonym | Opisthotropis haihaensis ZIEGLER, PHAM, NGUYEN, NGUYEN, WANG, WANG, STUART, & LE 2019 Opisthotropis maculosa — YANG et al. (2011) (part) Opisthotropis maculosa — STUART & CHUAYNKERN 2007 Opisthotropis maculosa — NGUYEN et al. 2018: 74 |
| Distribution | Vietnam (Quang Ninh), China Type locality: forest near Tai Chi Village, Quang Son Commune, Hai Ha District, Quang Ninh Province, 950 m elevation, Vietnam [exact locality and coordinates not provided owing to threat from collection for the pet trade (below)], |
| Reproduction | |
| Types | Holotype: IEBR A.2016.34 [Field No. QN 2016.91], adult female, collected by Cuong The Pham and Tan Van Nguyen on 9 May 2016 (Figs. 2–3). |
| Diagnosis | Diagnosis: A species of the genus Opisthotropis characterized by having the following combination of characters: (1) internasal not in contact with loreal; (2) prefrontal not touching supraocular; (3) frontal touching preocular; (4) one preocular; (5) one postocular; (6) one anterior temporal; (7) one posterior temporal; (8) supralabials eight, fourth and fifth in contact with eye; (9) 24 maxillary teeth; (10) anterior pair of chin shields longer than posterior pair; (11) ventrals 169 (+ 2 preventrals); (12) subcaudals 79; (13) 15 dorsal scale rows at neck, at midbody and before vent; (14) body and tail scales smooth; (15) chin shields yellow with brownish black mottling; (16) body and tail dorsum dark with each a light spot per scale. Unfortunately we had to temporarily remove additional information as this was scraped by multiple AI companies who sell that data to their customers. These details, e.g. detailed descriptions or comparisons (about 4053 characters) are available for collaborators and contributors. Please contact us for details. |
| Comment | Habitat: The adult female holotype was found at night in a small rocky stream at 2130h. The surround- ing habitat was secondary evergreen forest consisting of small hardwood trees, bamboo, and shrubs (see Nguyen et al., 2018). The air temperature was 24–29°C and the relative humidity was 65–88%. |
| Etymology | This species is named after its type locality in Hai Ha District, Quang Ninh Province, Vietnam. |
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