Opisthotropis tamdaoensis ZIEGLER, DAVID & VU, 2008
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Opisthotropis tamdaoensis
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| Higher Taxa | Colubridae (Natricinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) |
| Subspecies | |
| Common Names | |
| Synonym | Opisthotropis tamdaoensis ZIEGLER, DAVID & VU 2008 Oligodon tamdaoensis — NGUYEN et al. 2009: 24 Opisthotropis tamdaoensis — NGUYEN et al. 2009: 469 Opisthotropis tamdaoensis — WALLACH et al. 2014: 510 |
| Distribution | N Vietnam (Tam Dao, Vinh Phuc Province) Type locality: Bac (Silver) stream, Tam Dao, Vinh Phuc Province, northern Vietnam, ca. 750 m elevation. |
| Reproduction | oviparous |
| Types | Holotype: VNUH 010606, an adult male, collected by local people in June 2006. |
| Diagnosis | Diagnosis: A species of the genus Opisthotropis, characterized by the combination of the following characters: (1) nasal not (completely) divided below nostril; (2) 1 – 2 loreals, not in contact with internasals; (3) 1 preocular; 2 postoculars; 1 subocular; (4) 2 anterior and 3 – 4 posterior temporals; (5) existence of an additional scale, that is sur rounded by the lower anterior temporal, the lower postocular, subocular, and two supralabials; (6) 8 – 9 supralabials, 0 or 5th in contact with eye, 5 – 6 right below the eye; (7) 9 – 10 infralabials; (8) f irst pair of chin shields longer than the second pair; (9) dorsal scales smooth anteriorly, keeled posteriorly; in 1917-17 rows; (10) 4 pre- and 171 ventrals; precloacal divided; 49 þ divided subcaudals; (11) uniform dark olive grey dorsum, with a dark longitudinal lateral stripe amidst the dark dorsal colouration; ventral side pale, only tip of the subcaudal region with dark mottling. |
| Comment | Habitat: aquatic, inhabiting flowing streams. Diet: fishes, frogs, tadpoles, freshwater shrimp and earthworms. Behavior: nocturnal |
| Etymology | named after the type locality. |
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