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Sphaerodactylus klauberi GRANT, 1931

IUCN Red List - Sphaerodactylus klauberi - Least Concern, LC

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Higher TaxaSphaerodactylidae, Gekkota, Sauria, Squamata (lizards: geckos)
Common NamesE: Puerto Rican Upland Geckolet, Puerto Rican highland sphaero, Klauber's Least Gecko 
SynonymSphaerodactylus klauberi GRANT 1931: 207
Sphaerodactylus klauberi — THOMAS & SCHWARTZ 1966: 236
Sphaerodactylus klauberi — SCHWARTZ & HENDERSON 1991: 500
Sphaerodactylus klauberi — KLUGE 1993
Sphaerodactylus klauberi — RÖSLER 2000: 112 
DistributionPuerto Rico

Type locality: El Yunque, Bosque Experimental de Luquillo, Puerto Rico.  
TypesHolotype: MCZ 34473. 
DiagnosisDESCRIPTION: Size moderate (SVL in males to 36 mm, in females to 37 mm); dorsals moderate to small, acute to cycloid, strongly keeled, flattened, imbricate, axilla to groin 23-32; no area of middorsal granules or granular scales; ventrals partly to entirely keeled, acute, imbricate, axilla to groin 24-34; dorsal caudal scales acute, imbricate, flat-lying, ventral caudal scales smooth, cycloid, enlarged midventrally; snout broad, short, rather blunt; snout scales small, narrow, flat, slightly imbricate; 3 postnasals; 1-6 (modes 1 and 3, by population) internasals; upper labials to mideye 2-3 (strongly modally 3); gular scales partly to entirely keeled; chest scales partly to entirely keeled; midbody scales 42-67; escutcheon large with extensions well onto thighs, 3-7 x 14-27. Not sexually dichromatic; dorsum dark brown, with irregular darker and lighter spots and mottling; scapular pattern present in most specimens, patch black, well-developed to diffuse and broken, with paired white to light gray ocelli; head pattern complex: (1) light brown postocular stripes extend onto neck, frequently joined by transverse stripe, which may be centrally scalloped, (2) a dark, transverse occipital spot adjoined laterally by dark stripes, which pass posteriorly over eyelids, leaving a light, bitobed cephalic figure, and (3) other light and dark vermiculations at times present; sacral pattern U-shaped; throat black-and-gray mottled or uniform light gray; venter and underside of tail typically orange, reddish pink, or yellow, but may be gray; iris orange (from Schwartz & Henderson 1991: 500). 
CommentFor illustrations see Grant, 1931; Thomas and Schwartz, 1966; Rivero, 1978. 
EtymologyNamed after Laurence Monroe Klauber, (1883-1968) American herpetologist. Short biography in Lovich et al. (2008). 
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • Díaz-Lameiro, A. M., Villamil, C. I., Gamble, T., Pinto, B. J., Herrera-Martínez, A., Thomas, R., ... & Daza, J. D. 2022. A New Species of Spphaerodactylus (Gekkota: Sphaerodactylidae) from the Northwest Limestone Region of Puerto Rico. Ichthyology & Herpetology, 110(3), 449-465 - get paper here
  • Grant, C. 1931. The sphaerodactyls of Porto Rico, Culebra and Mona islands. J. Dept. Agric. Puerto Rico 15: 199-213. - get paper here
  • Kluge A G 1993. Gekkonoid Lizard Taxonomy. International Gecko Society, San Diego, 245 pp.
  • Lovich, K.; Mahrdt, C.R. & Beaman, K.R 2008. A Curator and His Rattlesnakes: The History of Laurence Monroe Klauber at the San Diego Zoo. In: Hayes et al. (eds), The biology of rattlesnakes. Loma Linda University Press, pp. 25-38
  • Rivero, J.A. 1978. Los anfibios y reptiles de Puerto Rico. M. Pareja Montana, 16, Barcelona, Espafia: x + 152 + 148pp.
  • Rösler, H. 2000. Kommentierte Liste der rezent, subrezent und fossil bekannten Geckotaxa (Reptilia: Gekkonomorpha). Gekkota 2: 28-153
  • Schwartz, A. & Henderson, R.W. 1991. Amphibians and Reptiles of the West Indies. University of Florida Press, Gainesville, 720 pp.
  • Thomas, R., and A. Schwartz. 1966. Sphaerodactylus (Gekkonidae) in the greater Puerto Rico region. Bulletin of the Florida State Museum, Biological Sciences, 10:193—260 - get paper here
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