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Phisalixella variabilis (BOULENGER, 1896)

IUCN Red List - Phisalixella variabilis - Endangered, EN

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Higher TaxaPseudoxyrhophiidae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common Names 
SynonymStenophis variabilis BOULENGER 1896: 43
Lycodryas variabilis
Stenophis variabilis — GLAW & VENCES 1994: 346
Stenophis cf. variabilis — D’CRUZE et al. 2008
Stenophis cf. variabilis — BORA et al. 2010
Phisalixella variabilis — NAGY et al. 2010
Stenophis variabilis — WALLACH et al. 2014: 675
Physalixella variabilis — RANDRIAMIALISOA et al. 2023 (in error) 
DistributionMadagascar, Nosy Be

Type locality: “Madagascar”  
Reproductionoviparous 
TypesHolotype: BMNH 1946.1.7.10 
DiagnosisAdditional details, e.g. a detailed description or comparisons (1045 characters), are available for collaborators and contributors. Please contact us for details. 
CommentStenophis (Phisalixella) tulearensis has been removed from the synonymy of Stenophis (Phisalixella) variabilis by NAGY et al. 2010.

Habitat: fully arboreal (Harrington et al. 2018). 
References
  • BORA, PARFAIT; J. CHRISTIAN RANDRIANANTOANDRO, ROMA RANDRIANAVELONA, ELISOA F. HANTALALAINA, RAPHALI R. ANDRIANTSIMANARILAFY, DANIEL RAKOTONDRAVONY, OLGA R. RAMILIJAONA, MIGUEL VENCES, RICHARD K. B. JENKINS, FRANK GLAW, AND JÖRN KÖHLER 2010. AMPHIBIANS AND REPTILES OF THE TSINGY DE BEMARAHA PLATEAU, WESTERN MADAGASCAR: CHECKLIST, BIOGEOGRAPHY AND CONSERVATION. Herp. Cons. Biol. 5 (1): 111-125
  • Boulenger, G.A. 1896. Catalogue of the snakes in the British Museum, Vol. 3. London (Taylor & Francis), xiv + 727 pp. - get paper here
  • Domergue, C. A. 1995. Serpents de Madagascar: Note liminaire sur des espèces nouvelles du genre Stenophis Boulenger, 1896 (Colubridae: Boiginae). Archives de l'Institut Pasteur de Madagascar 61 (2): 121-122 [1994]
  • D’Cruze, N.; Köhler, J.; Franzen, M & Glaw, F. 2008. A conservation assessment of the amphibians and reptiles of the Forêt d’Ambre Special Reserve, north Madagascar. MADAGASCAR CONSERVATION & DEVELOPMENT 3 (1): 44-54 - get paper here
  • Evans, A. M., Marshal, J. P., & Alexander, G. J. 2021. Forest patch characteristics affect reptile occurrence in north‐western Madagascar. Austral Ecology - get paper here
  • Glaw ,F. & Vences, M. 1994. A Fieldguide to the Amphibians and Reptiles of Madagascar. Vences & Glaw Verlag, Köln (ISBN 3-929449-01-3)
  • Harrington, Sean M; Jordyn M de Haan, Lindsey Shapiro, Sara Ruane 2018. Habits and characteristics of arboreal snakes worldwide: arboreality constrains body size but does not affect lineage diversification. Biological Journal of the Linnean Society 125 (1): 61–71 - get paper here
  • Labanowski, Robert J. and Andrew J. Lowin 2011. A reptile survey in a dry deciduous forest fragment in northern Madagascar showing new records for the little-known snake Pararhadinaea melanogaster and a range extension for the skink Amphiglossus tanysoma. Herpetology Notes 4: 113-121 - get paper here
  • Nagy, Z. T., Glaw, F. & Vences, M. 2010. Systematics of the snake genera Stenophis and Lycodryas from Madagascar and the Comoros. Zoologica Scripta 39, 426–435 - get paper here
  • Piccoli, Costanza; Fanomezana Mihaja Ratsoavina, Angelica Crottini 2021. Recent discovery of Phisalixella variabilis (Boulenger, 1896) on Nosy Be, Madagascar, confirms an old and dubious record (Squamata: Lamprophiidae). Herpetology Notes 14: 555-556 - get paper here
  • Rakotoarison, Andolalao; Jesse Erens, Fanomezana M. Ratsoavina, Miguel Vences 2015. Amphibian and reptile records from around the Betsiboka delta area in North-Western Madagascar. Herpetology Notes 8: 535-543 - get paper here
  • Randriamialisoa, Andriantsimanarilafy RR, Rakotondrina AJV, Rakotoarisoa JA, Nasaina RT, Rabearivony J, Raselimanana AP. 2023. Overview of Reptile Diversity from Bobaomby Complex, Northern Tip of Madagascar. . Animals 13 (21): 3396 - get paper here
  • 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.
  • Ziegler, Thomas; Joel Kamphausen, Frank Glaw, Angelica Crot- tini,, Gerardo Garcia, Dennis Rödder, Anna Rauhaus, Lilli Sten- ger & Anna Wahle 2022. Threatened Malagasy amphibians and reptiles in zoos – a call for enhanced implementation of the IUCN’s One Plan Approach Zool. Garten N.F. 90: 21-69 - get paper here
 
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