Hydrophis pachycercos FISCHER, 1855

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Higher Taxa	Elapidae (Hydrophiinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies
Common Names
Synonym	Hydrophis pachycercos FISCHER 1855 Hydrophis pachycercos FISCHER 1856: 44 Hydrophis pachycerios — JAN 1859 (in error) Hydrophis pachycercos — RASMUSSEN et al. 2007 Hydrophis pachycercos — RASMUSSEN et al. 2011 Chitulia pachycercos — WALLACH et al. 2014: 166
Distribution	Indian Ocean, South Chinese Sea, Vietnam
Reproduction	viviparous
Types	Holotype: ZMH 390, fide Smith (1926), missing fide KHARIN & HALLERMANN 2009
Diagnosis
Comment	Synonymy: Hydrophis pachycercos has been previously synonymized with H. belcheri but revalidated by RASMUSSEN et al. (2007). Habitat: marine. Venomous! Diagnostic characters: Scale rows around neck 26–31; scale rows around body 3–45; ventrals 247–27. Maxillary teeth behind fangs 7–8. Colouration: Body pale yellow above, white below, with pale brown transverse bands fading on the upper part of the flanks. Head white below, black/dark above with pale supralabials and a pale ring around the eyes.
References	Fischer, J. G. 1855. Die Familie der Seeschlangen systematisch beschrieben von J.G. Fischer Dr., ordentl. Lehrer der Realschule des Johanneums. In: Zu der öffentlichen Prüfung, welche mit den Zöglingen der Realschule Dienstag und Mittwoch , den 25. und 26. September 1855 Hamburg Johann August Meissner, 68 pp. Fischer, J.G. 1856. Die Familie der Seeschlangen. Abhandl. Nat. Ver. Hamburg 3: 1-78 - get paper here Jan, G. 1859. Plan d'une iconographie descriptive des ophidiens et description sommaire de nouvelles espèces de serpents. Rev. Mag. Zool., Paris (2) (11-12): 122-130 - get paper here Kharin, Vladimir E.; Jakob Hallermann 2009. Annotated catalogue of sea kraits (Laticaudidae) and sea snakes (Hydrophiidae) of the herpetological collection of the Zoological Museum, University of Hamburg. Mitt. hamb. zool. Mus. Inst. 106: 51-67 RASMUSSEN, ARNE REDSTED; JOHAN ELMBERG, PETER GRAVLUND & IVAN INEICH 2011. Sea snakes (Serpentes: subfamilies Hydrophiinae and Laticaudinae) in Vietnam: a comprehensive checklist and an updated identification key. Zootaxa 2894: 1–20 - get paper here Rasmussen,A.R., Gravlund, P.; Nguyen, C. van; Chanhome, L. 2007. A resurrection of Hydrophis pachycercos Fischer 1855 (Serpentes: Elapidae) with a new neotype from the South China sea. Hamadryad 31 (2): 288-298 Wallach, Van; Kenneth L. Williams , Jeff Boundy 2014. Snakes of the World: A Catalogue of Living and Extinct Species. [type catalogue] Taylor and Francis, CRC Press, 1237 pp.
External links	IUCN Red List - Hydrophis pachycercos - Data Deficient, DD National Center for Biotechnology Information http://www.amonline.net.au/herpetology/research/pdf/hydrophiidae.pdf Google images

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