Trimerodytes percarinatus

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Trimerodytes percarinatus
Sinonatrix percarinata.jpg

Least Concern (IUCN 3.1)[1]
Scientific classification edit
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Serpentes
Family: Colubridae
Genus: Trimerodytes
Species:
T. percarinatus
Binomial name
Trimerodytes percarinatus
(Boulenger, 1899)
Synonyms
  • Tropidonotus percarinatus
    Boulenger, 1899[2]
  • Natrix percarinata
    — , 1931
  • Natrix annularis percarinata
    — Bourret, 1936
  • Natrix percarinata
    — M.A. Smith, 1943
  • Sinonatrix percarinata
    Rossman & , 1977[3]

Trimerodytes percarinatus, commonly known as the eastern water snake,[3] olive keelback,[3] olive annulate keelback[3] or Chinese keelback water snake,[1] is a species of snake[3] in the subfamily Natricinae.

Taxonomy[]

The type locality for T. percarinatus is Guadun (formerly spelled as Kuatun), Wuyishan City (former Chongan County) in NW Fujian, China.[3]

Subspecies[]

The subspecies Trimerodytes percarinatus suriki is endemic to Taiwan[3] where it occurs in the whole country.[4]

Description[]

T. percarinatus is a defensive snake that bites readily when caught, but it is not venomous.[4][5] It is a medium-sized snake, typically attaining a total length (including tail) of 70–90 cm (28–35 in), but may grow up to 110 cm (43 in).[5] An adult female usually lays 4 to 13 eggs,[1] but may lay as many as 25 eggs.[4]

Distribution and habitat[]

T. percarinatus is found in NE India (Changlang District, Arunachal Pradesh), Myanmar (= Burma), Thailand, Laos, Vietnam, S China (Hainan, Zhejiang, Jiangxi, Fujian, Guangdong, Guangxi, Guizhou, Sichuan, Hubei), Hong Kong, and Taiwan.[1][3] It is an aquatic species associated with hilly areas.[1][5]

Diet[]

T. percarinatus preys on shrimps, frogs (including tadpoles), and fish.[4]

References[]

  1. ^ a b c d e Li, P.; Lau, M.W.N.; Rao, D.-q.; Jiang, J. (2012). "Trimerodytes percarinatus". IUCN Red List of Threatened Species. 2012: e.T192158A2048534. doi:10.2305/IUCN.UK.2012-1.RLTS.T192158A2048534.en. Retrieved 19 November 2021.
  2. ^ Boulenger GA (1899). "On a Collection of Reptiles and Batrachians made by Mr. J. D. La Touche in N.W. Fokien, China". Proc. Zool. Soc. London 1899: 159-172. (Tropidonotus percarinatus, new species, pp. 163-164 + Plate XVII, figure 2).
  3. ^ a b c d e f g h Trimerodytes percarinatus at the Reptarium.cz Reptile Database
  4. ^ a b c d Breuer, Hans; Murphy, William Christopher (2009–2010). "Sinonatrix percarinata suriki ". Snakes of Taiwan. Retrieved 15 October 2012.
  5. ^ a b c "Sinonatrix percarinata percarinata (Boulenger, 1899)". Reptiles of Hong Kong. Ecological Restoration and Conservation Laboratory, HKU. 2012. Retrieved 15 October 2012.

Further reading[]

  • Smith MA (1943). The Fauna of British India, Ceylon and Burma, Including the Whole of the Indo-Chinese Sub-region. Reptilia and Amphibia. Vol. III.—Serpentes. London: Secretary of State for India. (Taylor and Francis, printers). xii + 583 pp. (Natrix percarinata, p. 299).
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