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Lycodon laoensis Günther, 1864

Accepted
Lycodon laoensis Günther, 1864
/Lycodon laoensis/758.jpg
🗒 Synonyms
synonymLycodon laoensis Boulenger 1893
synonymLycodon laoensis Cox et al. 1998
synonymLycodon laoensis Günther 1864
synonymLycodon laoensis Lanza 1999
synonymLycodon laoensis Manthey & Grossmann 1997
synonymLycodon laoensis Sang et al. 2009
synonymLycodon laoensis Smith 1943
synonymLycodon laoensis Wallach et al. 2014
synonymOphites laoensis Zhao & Adler, 1993
🗒 Common Names
English
  • Laotian Wolf Snake
  • Laotian Wolf Snake, Laos Wolf Snake
📚 Overview
Overview
Summary

Reptile group

snakes
snakes
Brief

Laotian Wolf Snake is a species of Lycodon genus found in Oriental region. In India its distribution is restricted to far North-east (Arunachal Pradesh) only but widely distributed in many east Asian countries. India is its western most limit. Morphologically it can be identified easily by checking black dorsal body banded with yellow and white bands. 

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Vivek Sharma
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    Diagnostic Keys
    Head: 
    Supralabials 9 or 10; 3rd to 5th in contact with eyes; preocular 1, separates prefrontal from eyes; loreal 1, does not or slightly touches internasals; postocular 2; temporals 2+3.
    Dorsal: 
    Smooth scales with 17: 17: 15 rows.
    Ventral: 
    163-187; anal divided.
    Sub Caudal: 
    60-76; always divided in zig-zag manner.
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    References
    1. Whitaker R., Captain A. (2004) Snakes of India, The Field Guide. Draco Books
    2. Slowinski J. B., Pawar S. S., Win H., Thin T., Gyi S. W., Oo S. L., Tun H. (2001) A new Lycodon (Serpentes: Colubridae) from Northeast India and Myanmar (Burma). Proc. Cal. Acad. Sci. 52: 397-405
    3. Boulenger G. A. (1893) Catalogue of the snakes in the British Museum (Natural History). Vo1. 1, London: Taylor and Francis.
    4. Günther A. (1864) The reptiles of British India. London: Published for the Ray Society by Robert Hardwicke
    5. Daltry J. C., Wüster W. (2002) A new species of Wolf Snake (Serpentes: Colubridae: Lycodon) from the Cardamom Mountains, Southwestern Cambodia. Herpetologica, 58 (4), 498–504
    6. Smith M. A. (1943) The fauna of British India, Ceylon and Burma including the whole of The Indo-Chinese Sub-region, Reptilia and Amphibia. Vol 3 Serpentes. Taylor & Francis, London.
    7. Wallach V., Williams K. L., Boundy J. (2014) Snakes of the World: A catalogue of living and extinct species. Taylor and Francis, CRC Press, 1237 pp.
    8. Siler C. D., Oliveros C. H., Santanen A., Brown R. M. (2013) Multilocus phylogeny reveals unexpected diversification patterns in Asian wolf snakes (genus Lycodon). The Norwegian Academy of Science and Letters, 42 (3), pp 262–277
    No Data
    📚 Natural History
    Reproduction

    Oviparous. Female lays up to 5 eggs in narrow places like holes, cracks, under heavy objects, cavities of woods etc. during summer months.

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      Size

      Average length- 35cm. Maximum length- 47.5cm.

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        Morphology
        Dorsal -
        Body slender; covered with subequal, smooth & shiny scales of bluish-black or jet black color. About 25 bands prominently marked with yellow color on top and white on flank found from neck to end of the tail where they usually become narrow and have only yellow color. These bands are narrowest on top while broadest while touching the belly.
        Ventral -
        Belly color Glossy white without any pattern. Subcaudal scales paired in zig-zag manner, their color is same like ventral scales always.
        Head -
        Head broader than neck; covered with smooth and shiny scales. Eyes entirely black with vertically elliptical pupil. Well defined collar always present in this species which extends to posterior of upper lip.
        Tail -
        Smooth scales having yellow color narrow bands. Tail length is normal as typical range with pointed tip.
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          Behaviour

          Laotian Wolf Snake is a nocturnal species which shows activity from ground to heights (up to 30ft) with excellent climbing tendency. Behavior shy, alert and usually non-offensive. On threatening prefers to escape but of further disturbance it makes coil of body with head under it.

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            Trophic Strategy

            Feeds on geckos, skinks, frogs, small rodents etc. as preferred diet. Occasionally takes insects and earthworms also.

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              No Data
              📚 Habitat and Distribution
              General Habitat

              Distributed in variety of forests including grasslands, dipterocarp savannah, mixed and moist deciduous forests, semi-rainforest etc. Found in both dense and open forest of both hills (3000ft) and plains. Hides under derbies, tree bark at heights, tree holes, cracks, small animal holes etc.

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                Description

                In India it has been recorded from Changlang district of Arunachal Pradesh only. Likely to be occur in similar forest range of North-east region. Also found in Cambodia, China, India, Laos (also the Type locality of this species), Malaysia and Vietnam

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                  No Data
                  📚 Occurrence
                  No Data
                  📚 Demography and Conservation
                  Conservation Status

                  IUCN: Least concern

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                    Threats

                    No specific or serious threat in India are known as it is restricted to dense forests of far North-east region only. 

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                      Protection Legal Status

                      Wildlife Protection Act (1972): Schedule 4

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                        No Data
                        📚 Uses and Management
                        📚 Information Listing
                        References
                        1. Uetz, P., Freed, P. & Hošek, J. (eds.), The Reptile Database, http://www.reptile-database.org, accessed 11/12/2018
                        Overview > Diagnostic > Diagnostic Keys
                        1. Whitaker R., Captain A. (2004) Snakes of India, The Field Guide. Draco Books
                        2. Slowinski J. B., Pawar S. S., Win H., Thin T., Gyi S. W., Oo S. L., Tun H. (2001) A new Lycodon (Serpentes: Colubridae) from Northeast India and Myanmar (Burma). Proc. Cal. Acad. Sci. 52: 397-405
                        3. Boulenger G. A. (1893) Catalogue of the snakes in the British Museum (Natural History). Vo1. 1, London: Taylor and Francis.
                        4. Günther A. (1864) The reptiles of British India. London: Published for the Ray Society by Robert Hardwicke
                        5. Daltry J. C., Wüster W. (2002) A new species of Wolf Snake (Serpentes: Colubridae: Lycodon) from the Cardamom Mountains, Southwestern Cambodia. Herpetologica, 58 (4), 498–504
                        6. Smith M. A. (1943) The fauna of British India, Ceylon and Burma including the whole of The Indo-Chinese Sub-region, Reptilia and Amphibia. Vol 3 Serpentes. Taylor & Francis, London.
                        7. Wallach V., Williams K. L., Boundy J. (2014) Snakes of the World: A catalogue of living and extinct species. Taylor and Francis, CRC Press, 1237 pp.
                        8. Siler C. D., Oliveros C. H., Santanen A., Brown R. M. (2013) Multilocus phylogeny reveals unexpected diversification patterns in Asian wolf snakes (genus Lycodon). The Norwegian Academy of Science and Letters, 42 (3), pp 262–277
                        Information Listing > References
                        1. Uetz, P., Freed, P. & Hošek, J. (eds.), The Reptile Database, http://www.reptile-database.org, accessed 11/12/2018

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                        Vivek Sharma
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                        📚 Meta data
                        🐾 Taxonomy
                        📊 Temporal Distribution
                        📷 Related Observations
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