Opisthotropis andersonii (BOULENGER, 1888)
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Higher Taxa | Colubridae (Natricinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) |
Subspecies | |
Common Names | E: Anderson's Mountain Keelback Chinese: 香港后棱蛇 |
Synonym | Calamohydrus (Homalopsinarum) Andersonii BOULENGER 1888 Opisthotropis andersonii — BOULENGER 1891 Opisthotropis andersonii — BOULENGER 1893: 284 Opisthotropis andersoni — SMITH 1943: 333 Opisthotropis andersoni — BROWN & LEVITON 1961 Opisthotropis andersonii — LI et al. 2010 Opisthotropis andersonii — WALLACH et al. 2014: 508 |
Distribution | China (Hong Kong), Vietnam Type locality: Hong Kong. |
Reproduction | oviparous |
Types | Type: BMNH 1901.9.14.11 possibly (not marked as type currently) |
Diagnosis | Diagnosis: This species is characterized by the combination of (1) TL 378–462 mm in adult specimens; (2) TaL 15–20% of TL; (3) rostral concave, slightly large, RW 31–37% of HW; (4) nasal in contact with first and second supralabials; (5) loreal more than twice as long as deep; (6) loreal entering orbit or not, in contact with second to fourth or to fifth supralabials; (7) supralabials 7–8, the last one significantly smaller than the adjacent preceding one; (8) infralabials 7–10; (9) dorsal scale rows 17:17:17; (10) dorsal scales smooth on the neck, feebly keeled on the middle part of body, rather strongly keeled on posterior part of body, strongly keeled on the tail; (11) ventrals 141–174; subcaudals 43–60; (12) olive-green to olive-brown above, with distinct or barely perceptible longitudinal black stripes parallel to each other, crossing each scale; yellow beneath, with black markings in life (Wang et al. 2017: 401). |
Comment | Opisthotropis andersonii (Boulenger, 1888) was described originally from a single juvenile specimen and was re-described based on two specimens deposited in the Natural History Museum, London (Zheng 1992). Habitat: aquatic, inhabiting flowing streams. Diet: fishes, frogs, tadpoles, freshwater shrimp and earthworms. Behavior: nocturnal |
Etymology | Named after Dr. John Anderson (1833-1900), a naturalist and Professor of Natural History at Free Church College, Edinburgh. He became Curator of the Indian Museum, Calcutta (1865). |
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