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Hemidactylus alkiyumii CARRANZA & ARNOLD, 2012

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Higher TaxaGekkonidae, Gekkota, Sauria, Squamata (lizards: geckos) 
Subspecies 
Common Names 
SynonymHemidactylus alkiyumii CARRANZA & ARNOLD 2012
Hemidactylus yerburii — ARNOLD 1977: 101 (part.)
Hemidactylus yerburii — ARNOLD 1986: 283 (part.)
Hemidactylus yerburii — ARNOLD 1986: 420 (part.)
Hemidactylus yerburii — SCHÄTTI & DESVOIGNES 1999: 52 (part.)
Hemidactylus yerburii — VAN DER KOOIJ 2000: 113 (part.)
Hemidactylus yerburii — SINDACO & JEREMČENKO 2008: 117 (part.) 
DistributionS Oman (Dhofar region)

Type locality: Tawi Atair, 610 m elevation, Dhofar region (South Oman), 17.11639’N 54.54861’E. Map legend:
TDWG region - Region according to the TDWG standard, not a precise distribution map.

NOTE: TDWG regions are generated automatically from the text in the distribution field and not in every cases it works well. We are working on it.
 
Reproduction 
TypesHolotype: BMNH 2005.1662, male, collected in October 2005 by S. Carranza, E.N. Arnold and D. Donaire (MorphoBank M95264–M95275; Fig. 13A). Paratypes: ONHM3707, male, same collecting data as Holotype (MorphoBank M95290–M95304); BMNH2005.1663, female, same collecting data as Holotype (MorphoBank M95276–M95289); IBES8078, female from Tawi Atair, 610 m, Dhofar region (South Oman) 17.11639’N 54.54861’E WGS84, collected in October 2010 by S. Carranza and F. Amat (MorphoBank M99654–M99660); IBES8079, female, same collecting data as IBES8078 (MorphoBank M99661–M99667); IBES8080, female, same collecting data as IBES8078 (MorphoBank M99668–M99674). 
CommentMorphoBank M95099–M95289 M99609–M99718

Diagnosis A medium-sized Hemidactylus with a maximum recorded SVL of 74.5 mm; with a mean of 12.9 (11–14)
longitudinal rows of dorsal tubercles at mid-body; adhesive pads medium-sized; lamellae under the 1st toe of pes mean 7.0 (6–9); lamellae under the 4th toe of pes mean 10.8 (10–12); preanal pores mean 7.3 (6–10); expanded
subcaudal scales usually beginning 1–4 verticils behind vent (average about 2); dorsum somber, sometimes with a pattern of irregular spots or dark transverse crosses with approximately one on neck, three on body and one or two on anterior sacrum (Fig. 15A), not diffused with yellow in life; tubercles on body sometimes with opaque white pigment, which may be on medial side of tubercles while lateral sides are dark; tail not light distally, with pattern of 11–14 dark bands that are not especially widely separated and only extend ventrally towards the tail tip where they are not very conspicuous.
Hemidactylus alkiyumii differs from H. yerburii in its larger size (SVL max.74.5 mm, compared with max. 67.6 mm), in having fewer longitudinal rows of dorsal tubercles at mid-body (mean 12.9, 11–14, compared with mean 16.7, 16–17), fewer preanal pores in males (mean 7.3, 6–10, compared with mean 12.8, 10–15), and in having enlarged tubercles on tail that are not spinose. It differs from H. yerburii montanus, endemic to the highlands of Yemen, in its larger size (SVL max. 74.5 mm, compared with max. 68 mm), in having higher number of lamellae under the 1st toe of pes (mean. 7.0, 6–9, compared with mean 6.2 in both males and females, 5–7), in having fewer longitudinal rows of dorsal tubercles at mid-body (mean 12.9, 11–14, compared with mean 15.1 in males and 15.4 in females, 14–16), and in having fewer preanal pores in males (mean 7.3, 6–10, compared with mean 10.1). It differs from H. jumailiae from Yemen (formerly H. yerburii) in its larger size (SVL max. 74.5 mm, compared with max. 47 mm), in having higher number of lamellae under the 1st toe of pes (mean. 7.0, 6–9, compared with mean 6.3, 6–7), and in having large trihedral tubercles present on back (small cycloid tubercles in H. jumailiae). It differs from H. shihraensis from Yemen in its larger size (SVL max. 74.5 mm, compared with max. 48.2 mm), in having higher number of lamellae under the 1st toe of pes (mean 7.0, 6–9, compared with 6), and
more preanal pores in males (mean 7.3, 6–10, compared with 6). It differs from H. saba in its larger size (SVL max. 74.5 mm, compared with max. 59 mm), in having more preanal pores in males (mean 7.3, 6–10, compared with 6), and more supralabials (mean 10.0, 9–12, compared with 8–9). For differences from the second species of Dhofar Hemidactylus see below. 
EtymologyEtymology The species epithet “alkiyumii” is a genitive Latin noun to honor Ali bin Amer Al Kiyumi, Director General of Nature Conservation of the Sultanate of Oman, for his knowledge and interest in the preservation of the biodiversity of Oman and for his help and support towards our ongoing studies on the reptile fauna of Oman. 
References
  • Ball, L.D. & Borrell, J.S. 2016. An inventory of herpetofauna from Wadi Sayq, Dhofar, Oman. Journal of Threatened Taxa 8 (12): 9454-9460
  • Carranza, S., Arnold, E. Nicholas 2012. A review of the geckos of the genus Hemidactylus (Squamata: Gekkonidae) from Oman based on morphology, mitochondrial and nuclear data, with descriptions of eight new species. Zootaxa 3378: 1–95 - get paper here
  • Rösler, Herbert 2015. Bemerkungen über einige Geckos der Zoologischen Staatssammlung München. Gekkota, Suppl. (2): 3-54
  • Šmíd, Jiří; Salvador Carranza, Lukáš Kratochvíl, Václav Gvoždík, Abdul Karim Nasher, Jiří Moravec 2013. Out of Arabia: A Complex Biogeographic History of Multiple Vicariance and Dispersal Events in the Gecko Genus Hemidactylus (Reptilia: Gekkonidae). PLoS ONE 8(5): e64018 - get paper here
 
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