Opisthotropis zhaoermii REN, WANG, JIANG, GUO & LI, 2017
Can you confirm these amateur observations of Opisthotropis zhaoermii?
Opisthotropis zhaoermii
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| Higher Taxa | Colubridae (Natricinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) |
| Subspecies | |
| Common Names | E: Zhao’s Mountain Stream Snake Chinese: 赵氏后棱蛇 (“Zhao Shi Hou Leng She”) |
| Synonym | Opisthotropis zhaoermii REN, WANG, JIANG, GUO & LI 2017 Opisthotropis zhaoermii — GAO et al. 2022 |
| Distribution | China (W Hunan) Type locality: Zuolong Gorges, Guzhang, Tujia-Miao of western Hunan, China (28°42'17.88" N, 109°55'26.26" E, 561 m elevation (Figure 6 in REN et al. 2017) |
| Reproduction | |
| Types | Holotype: CIB 109999, adult female (field No. HNYS 20170049) (Figures 1A, 1B, 2A, 2B, 3A, 4A), collected by Jin-Long Ren and Si-Bo Su on 24 August 2017. Paratypes: One adult male, CIB109998 (field No. HNYS20170019) (Figures 1C, 1D, 2C, 2D) and one adult female CIB110000 (field No. HNYS20170050), collected by Jin- Long Ren and Si-Bo Su at the same locality as holotype on 22 and 23 August 2017. |
| Diagnosis | Diagnosis A large-sized species of Opisthotropis diagnosed by the following morphological characters: (1) head barely distinct from neck; (2) body and tail moderately slender; (3) prefrontal single, much broader than long; (4) nostrils directed upwards; (5) eyes small; (6) maxillary teeth subequal; (7) anterior neck dorsal scales smooth, middle body with faint keels, tending to moderately keeled rear body and on tail. The new species differs from all congeners by a combination of the following characters: (1) body size large (TL 514–586 mm); (2) tail moderate (Tal/TL 0.20–0.21); (3) dorsal scale rows 17:17:17; (4) ventral scales 147–152; (5) subcaudal scales 54– 62; (6) preocular absent; (7) loreal elongated and entering orbit; (8) supralabials mostly 9 (rarely 8), fifth and sixth entering obit; (9) anterior temporals short, ToL/ToD 1.74–2.04; (10) maxillary teeth 28–30; (11) irregular yellow stripes edged with ochre present on dorsal and lateral head; (12) clear black and yellow longitudinal streaks present on dorsal and lateral body, some streaks fused to light patches or stripes anteriorly; (13) venter pale yellow in life, with asymmetric blackish speckles along outer margins. Additional details (3804 characters) are available for collaborators and contributors. Please contact us for details. |
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