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Asaccus montanus GARDNER, 1994

IUCN Red List - Asaccus montanus - Vulnerable, VU

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Higher TaxaPhyllodactylidae, Gekkota, Sauria, Squamata (lizards: geckos)
Common NamesE: Mountain Leaf-toed Gecko 
SynonymAsaccus montanus GARDNER 1994
Asaccus montanus — RÖSLER 2000: 60
Asaccus montanus — GROSSMANN et al. 2013
Asaccus montanus — TAMAR et al. 2018 
DistributionOman (Saiq Plateau, Jebel Akhdar; Bani Habib; Wadi Duwaykhilah, Hayl Juwari)

Type locality: 23° 04' N, 57° 46' E, about 1900 m elevation, Saiq Plateau, Jebel Akhdar, Sultanate of Oman.  
TypesHolotype: BMNH 1992.157, adult male Paratypes. BMNH 1992.158 and BMNH 1992.159, adult male and adult female, respectively. Collection data as for the type. BMNH 1992.160 adult female, Bani Habib, 23°04'N, 57°36'E,Saiq Plateau, 1800 m on 12 September 1991. BMNH 1992.161, female, Wadi Duway- khilah, 23°04'N, 57°43'E, Saiq plateau, 1900 m on 12 September 1991. 
DiagnosisDiagnosis: (1) Small (up to about 40 mm from snout to vent); (2) scales across supraorbital region coarse, as are those on snout (9-11 between postnasal scale and orbit, 12-14 across snout at level of third upper labials); (3) large dorsal tubercles present on back (14 longitudinal rows at mid-body), (4) on occiput, (5) on upper fore limb, and elsewhere; (6) sub tibial scales coarse; (7) digital scansors not extending well beyond claws; (8) phalanges in fourth toe reduced to four; (9) cloacal tubercle small; (10) tail tip laterally compressed and strongly expanded vertically; (11) a single transverse row of dorsal tubercles at the posterior edge of each tail segment; (12) subcaudal series of expanded scales not reaching vent area anteriorly; (13) dorsum without a pattern of narrow dark transverse bars in alcohol; (14) tail colour not sexually dimorphic, with a series of dark transverse bars that (15) extend ventrally. 
CommentPhylogenetics: A. montanus is composed of a western and an eastern lineage (Tamar et al. 2018). 
EtymologyNamed after Latin “montanus”, meaning “pertaining to mountains. 
  • Arnold E N; Gardner A S 1994. A review of the middle eastern leaf-toed geckoes (Gekkonidae: Asaccus) with descriptions of two new species from Oman. Fauna of Saudi Arabia 14: 424-441 - get paper here
  • Burriel-Carranza, B., Els, J., & Carranza, S. 2022. Reptiles & amphibians of the Hajar Mountains CSIC, Barcino Solucions Gràfiques, SL, Barcelona, - get paper here
  • Carranza S, Xipell M, Tarroso P, Gardner A, Arnold EN, Robinson MD, et al. 2018. Diversity, distribution and conservation of the terrestrial reptiles of Oman (Sauropsida, Squamata). PLoS One 13 (2): e0190389 - get paper here
  • Carranza, Salvador; Johannes Els; Bernat Burriel-Carranza 2021. A field guide to the reptiles of Oman. Madrid : Consejo Superior de Investigaciones Científicas, 223 pp. [review in HR 53 (3): 531] - get paper here
  • Cox, N.A., Mallon, D., Bowles, P., Els, J. and Tognelli, M.F. (compilers). 2012. The Conservation Status and Distribution of Reptiles of the Arabian Peninsula. Cambridge, UK and Gland, Switzerland: IUCN, and Sharjah, UAE: Environment and Protected Areas Authority; ISBN 978-2-8317-1560-5 - get paper here
  • Gardner, A S. 1994. A new species of Asaccus (Gekkonidae) from the mountains of northern Oman. Journal of Herpetology 28 (2): 141-145. - get paper here
  • Gardner, A.S. 2013. The amphibians and reptiles of Oman and the UAE. Edition Chimaira, 480 pp.
  • Grossmann, Wolfgang; Bernd-Michael Zwanzig, Thomas Kowalski & Hans-Jürgen Zilger 2013. Weitere ergänzende herpetologische Beobachtungen auf dem Saiq-Plateau und im Jebel al-Akhdar, Sultanat Oman. Sauria 35 (3): 23–31 - get paper here
  • Parsa, H.; H. Oraie; A. Khosravani; N. Rastegar Pouyani 2009. Systematics and Distribution of the Iranian Plateau Leaf-toed Geckos of the Genus Asaccus (Sauria: Gekkonidae). Iranian Journal of Animal Biosystematics 5 (2) - get paper here
  • Rastegar-Pouyani, N., Nilson, G. & Faizi, H. 2006. A new Species of Asaccus (Sauria: Gekkonidae) from Kurdistan Province, western Iran. Hamadryad 30: 141-150. - get paper here
  • Rösler, H. 2000. Kommentierte Liste der rezent, subrezent und fossil bekannten Geckotaxa (Reptilia: Gekkonomorpha). Gekkota 2: 28-153
  • Sindaco, R. & Jeremcenko, V.K. 2008. The reptiles of the Western Palearctic. Edizioni Belvedere, Latina (Italy), 579 pp. - get paper here
  • Tamar, Karin; Pelagia Mitsi; Salvador Carranza 2018. Cryptic diversity revealed in the leaf‐toed gecko Asaccus montanus (Squamata, Phyllodactylidae) from the Hajar Mountains of Arabia. J Zool Syst Evol Res. 2018 ;00:1–14 - get paper here
  • Torki, F.; Ahmadzadeh, F.; Ilgaz, C.; Avci, A. & Kumlutas, Y. 2011. Description of four new Asaccus Dixon and Anderson, 1973 (Reptilia: Phyllodactylidae) from Iran and Turkey. Amphibia-Reptilia 32 (2): 185-202 - get paper here
  • van der Kooij, Jeroen 2001. The herpetofauna of the Sultanate of Oman: Part 2: the geckoes. Podarcis 1 (4): 105-123 - get paper here
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