Gonyosoma hainanense PENG, ZHANG, HUANG, BURBRINK & WANG, 2021
Can you confirm these amateur observations of Gonyosoma hainanense?
Gonyosoma hainanense
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| Higher Taxa | Colubridae, Colubrinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) |
| Subspecies | |
| Common Names | E: Hainan rhinoceros snake Chinese: 海南尖喙蛇 (Bopomofo: hǎi nán jiān huì shé) |
| Synonym | Gonyosoma hainanense PENG, ZHANG, HUANG, BURBRINK & WANG in PENG et al. 2021 |
| Distribution | China (Hainan Province: Diaoluoshan Mountains, Jianfengling Mountains) Type locality: Diaoluoshan Mountains |
| Reproduction | oviparous with a clutch size of six (white) eggs and an incubation period of 62 days (20 April–21 June 2019). |
| Types | Holotype: ANU 20190002 (collection number: HSR 2010074), adult female (Figure 1B–F), captured by H. Yang and M. Hou in the summer of 2010 from Diaoluoshan (N18°39′58.57″, E109°54′50.48″; elevation of 204 m a.s.l.), Hainan, China. Paratypes (five specimens): One subadult (ANU 20190003, collection number: HSR 2012105, Supplementary Figure S1D, E), sampled by Y.W. Zhu and L.F. Peng from Diaoluoshan, Hainan, China, in the summer of 2012. One male and one subadult (HNU20190001–2, dead on road), collected by Y. Zhang and J.C. Wang on 28 April 2019 from the same site as the holotype. One adult female and one male (HNU 20190003–4), collected by J.C. Wang in the summer of 2010 from Diaoluoshan, Hainan, China, elevation ~900 m a.s.l. |
| Diagnosis | Diagnosis: The new species, Gonyosoma hainanensis sp. nov., can be distinguished by the following characters: (1) Long pointed rostral appendage covered with small smooth scales; (2) SVL 652–927 mm in adults; (3) Dorsal scales slightly keeled, 19-19-15(13); (4) Ventral and subcaudal scales strongly angulated laterally; (5) Ventral scales 216–221; (6) Subcaudals paired, 122–135; (7) Anal plate divided; (8) One preocular, two postoculars; (9) Supralabials 9/9, fourth to sixth in contact with eye; (10) Infralabials 10–12, first five in contact with first pair of chin shields; (11) Temporals 2+2+3 (rarely 2+3+3); (12) Black orbital stripe absent in adults; (13) Two loreals oriented longitudinally (Peng et al. 2021). |
| Comment | Activity: arboreal and nocturnal |
| Etymology | The specific name refers to the province of its type locality, i.e., Hainan Island, Hainan Province, China. |
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