Biology:Hydrophis gracilis
| Hydrophis gracilis | |
|---|---|
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | Squamata |
| Suborder: | Serpentes |
| Family: | Elapidae |
| Genus: | Hydrophis |
| Species: | H. gracilis
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| Binomial name | |
| Hydrophis gracilis (Shaw, 1802)
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| Synonyms | |
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Hydrophis gracilis, also known as the graceful small-headed seasnake, slender sea snake, narrow-headed sea snake, common small-headed sea snake, is a species of sea snake found in the Indian and Pacific Oceans.[1][2][3] It is venomous.[2][3]
Diagnostic characters
Head small, body long and slender anteriorly; scales on thickest part of body juxtaposed; 5–6 maxillary teeth behind fangs; 17–21 scale rows around neck, 30–36 around thickest part of body (increase from neck to midbody 18–24); ventrals divided by a longitudinal fissure; prefrontal in contact with third upper labial; ventrals 220–287.[2][4]
Total length males 950 mm, females 1025 mm; tail length males 80 mm, females 95 mm.[2][4]
Distribution
Hydrophis gracilis is found on the coasts of the Indian Ocean and West Pacific, from around the Persian Gulf (Bahrain, Qatar, Saudi Arabia, Oman, United Arab Emirates (UAE), Iran, Iraq and Kuwait) to Pakistan , India , Sri Lanka, Bangladesh, Myanmar, Thailand, and Indonesia, and into the Malay Archipelago/West Pacific in Thailand, Malaysia, Singapore, Cambodia, Vietnam, the Philippines , southern China , Hong Kong, and Taiwan, as well as in Australia (Queensland) and Papua New Guinea.[1][4]
References
- ↑ 1.0 1.1 1.2 Guinea, M.; Sanders, K.; Lobo, A. (2010). "Hydrophis gracilis". IUCN Red List of Threatened Species 2010: e.T176765A7299914. doi:10.2305/IUCN.UK.2010-4.RLTS.T176765A7299914.en. https://www.iucnredlist.org/species/176765/7299914. Retrieved 24 October 2022.
- ↑ 2.0 2.1 2.2 2.3 Hydrophis gracilis at the Reptarium.cz Reptile Database. Accessed 24 October 2022.
- ↑ 3.0 3.1 "Hydrophis gracilis". WCH Clinical Toxinology Resources. 2001–2018. http://www.toxinology.com/fusebox.cfm?fuseaction=main.snakes.display&id=SN0570.
- ↑ 4.0 4.1 4.2 Leviton, A.E.; Wogan, G.O.U.; Koo, M.S.; Zug, G.R.; Lucas, R.S.; Vindum, J.V. (2003). "The Dangerously Venomous Snakes of Myanmar. Illustrated Checklist with Keys". Proceedings of the California Academy of Sciences 54 (24): 407–462. http://researcharchive.calacademy.org/research/scipubs/pdfs/v54/proccas_v54_n24.pdf.
External links
- Microcephalphis gracilis at the Australian Faunal Directory
Wikidata ☰ Q2708921 entry
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