| 词条 | Hydrophis spiralis |
| 释义 |
| name = Hydrophis spiralis | status = LC | status_system = iucn3.1 | genus = Hydrophis | species = spiralis | authority = (Shaw, 1802) | synonyms = *Hydrus spiralis Shaw, 1802
}}Hydrophis spiralis, commonly known as the yellow sea snake, is a species of venomous sea snake in the family Elapidae.[3] DescriptionThis is perhaps the longest species of seasnake, up to {{convert|2.75|m|ft}}. Diagnostic characteristicsThe scales on the thickest part of the body have rounded or pointed tips, and are imbricate. Six or seven maxillary teeth are found behind the fangs. The species has 25-31 scale rows around its neck, 33-38 around its midbody, and ventrals number 295-362, and are distinct throughout and about twice as broad as adjacent body scales. Its color is yellowish or yellowish-green above; the dorsal scales are edged with black, and 41-46 narrow black bands encircle the body; the bands are usually less than one-third the width of the lighter interspaces. The head, in the young, is black, with a yellow horseshoe-shaped marking; in the adult, the head is usually yellow. Total length in males is about {{convert|1.62|m|ft}}, and females {{convert|1.83|m|ft}}; tail lengths are {{convert|140|mm|in}} and {{convert|120|mm|in}} in males and females respectively.[4] Geographic rangeH. spiralis is found in the Indian Ocean (Persian Gulf off Bangladesh, Oman, United Arab Emirates, Iran, Pakistan, Sri Lanka, India, Indonesia, Malaysia, Philippines, China, New Guinea), and New Caledonia/Loyalty Islands. References1. ^Boulenger, G.A. 1896. Catalogue of the Snakes in the British Museum (Natural History). Volume III., Containing the Colubridæ (Opisthoglyphæ and Proteroglyphæ),... Trustees of the British Museum (Natural History). London. pp. 273-274. 2. ^The Reptile Database. www.reptile-database.org. 3. ^{{ITIS |id=700227 |taxon=Hydrophis |accessdate=7 September 2007}} 4. ^The Reptile Database. www.reptile-database.org. Further reading
3 : Sea snakes|Fauna of Southeast Asia|Reptiles described in 1802 |
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