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Lygodactylus williamsi LOVERIDGE, 1952

IUCN Red List - Lygodactylus williamsi - Critically Endangered, CR

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Higher TaxaGekkonidae, Gekkota, Sauria, Squamata (lizards: geckos)
Common NamesE: Williams' Dwarf Gecko
G: Türkisblauer Zwergtaggecko 
SynonymLygodactylus picturatus williamsi LOVERIDGE 1952: 446
Lygodactylus picturatus williamsi — WERMUTH 1965: 107
Lygodactylus williamsi — KLUGE 1993
Lygodactylus williamsi — BROADLEY & HOWELL 1991: 10
Lygodactylus (Lygodactylus) williamsi — RÖSLER 2000: 95
Lygodactylus williamsi — RÖLL et al. 2010
Lygodactylus williamsi — SPAWLS et al. 2018: 115 
DistributionNE Tanzania (Eastern Province)

Type locality: Kimboza Forest, Eastern Province, Tanzania, 350 m  
TypesHolotype: NMK (formerly Coryndon Museum, Nairobi), also given as MCZ 51500 
CommentConservation: FLECKS et al. (2012) suspect that commercial collection of this species for the pet trade is pushing this species to the brink of extinction.

Abundance: only known from the type locality (Meiri et al. 2017). 
EtymologyNamed after J.G. Williams, the collector of the type. 
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • Broadley, D. G. & HOWELL, K. M. 1991. A check list of the reptiles of Tanzania, with synoptic keys. Syntarsus 1: 1—70
  • Castiglia, Riccardo and Flavia Annesi 2011. The phylogenetic position of Lygodactylus angularis and the utility of using the 16S rDNA gene for delimiting species in Lygodactylus (Squamata, Gekkonidae). Acta Herpetologica 6 (1): 35-45 - get paper here
  • Flecks, M., F. Weinsheimer, W. Böhme, J. Chenga, S. Lötters & D. Rödder 2012. Watching extinction happen: the dramatic population decline of the critically endangered Tanzanian Turquoise Dwarf Gecko, Lygodactylus williamsi. Salamandra 48 (1): 12-20 - get paper here
  • Kunz, K. 2012. Bild schön! Fotografie von Terrarientieren. Reptilia (Münster) 17 (94): 20-26 - get paper here
  • Loveridge, A. 1952. A startlingly turquoise-blue gecko from Tanganyika. Journal of the East African Natural History Society, 20:446.
  • Meiri, Shai; Aaron M. Bauer, Allen Allison, Fernando Castro-Herrera, Laurent Chirio, Guarino Colli, Indraneil Das, Tiffany M. Doan, Frank Glaw, Lee L. Grismer, Marinus Hoogmoed, Fred Kraus, Matthew LeBreton, Danny Meirte, Zoltán T. Nagy, Cristiano d 2017. Extinct, obscure or imaginary: the lizard species with the smallest ranges. Diversity and Distributions - get paper here
  • Röll, B. 2011. Der Türkisblaue Zwerggecko Lygodactylus williamsi. Natur und Tier Verlag, 64 pp. - get paper here
  • Röll, B. 2013. Tagaktive Zwerggeckos der Gattung Lygodactylus - Lebensweise - Haltung - Nachzucht. Natur und Tier Verlag, 118 pp. - get paper here
  • Röll, B. 2018. Passfotos für den Türkisblauen Zwergtaggecko, Lygodactylus williamsi. Reptilia 23 (132): 24-33
  • Röll, Beate 2010. The turquoise blue dwarf gecko Lygodactylus williamsi. Gekko 6 (1): 2-7
  • Röll, Beate; Heike Pröhl, Klaus-Peter Hoffmann 2010. Multigene phylogenetic analysis of Lygodactylus dwarf geckos (Squamata: Gekkonidae). Molecular Phylogenetics and Evolution 56 (1): 327-335 - get paper here
  • Rösler, H. 2000. Kommentierte Liste der rezent, subrezent und fossil bekannten Geckotaxa (Reptilia: Gekkonomorpha). Gekkota 2: 28-153
  • Rovero, F., Menegon, M., Fjeldså, J., Collett, L., Doggart, N., Leonard, C., Norton, G., Owen, N., Perkin, A., Spitale, D., Ahrends, A., Burgess, N. D. 2014. Targeted vertebrate surveys enhance the faunal importance and improve explanatory models within the Eastern Arc Mountains of Kenya and Tanzania. Diversity and Distributions. doi: 10.1111/ddi.12246 - get paper here
  • Schneider, H. 2012. Der Türkis-Zwerggecko. Ein Juwel vor dem Aus? Reptilia (Münster) 17 (93): 42-47 - get paper here
  • Spawls, S.; Howell, K.; Drewes, R.C. & Ashe, J. 2002. A field guide to the reptiles of East Africa. Academic Press, 543 pp. [reviews in HR 34: 396 and Afr. J. Herp. 51; 147] - get paper here
  • Spawls, Steve; Kim Howell, Harald Hinkel, Michele Menegon 2018. Field Guide to East African Reptiles. Bloomsbury, 624 pp. - get paper here
  • Weinsheimer, F.; Flecks, M; Böhme, W.; Rödder, D. 2010. Die Herpetofauna des Kimboza Forest in Tansania mit dem Türkis-Zwerggecko. Elaphe 18 (1): 17-20
  • Westig, Jens 2011. Optimale Pflegebedingungen in einem Aquaterrarium für Tag- und Zwerggekos. Draco 12 (46): 55-61 - get paper here
  • Zobel, R. 2009. "Exo Terra" - Expedition Tansania 2008. Teil 1: Im Reich des Türkisblauen Zwergtaggeckos (Lygodactylus williamsi) Terraria (19) 4 (5): 61-70.
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