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Ctenotus colletti (BOULENGER, 1896)

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Higher TaxaScincidae, Sphenomorphinae (Sphenomorphini), Scincoidea, Sauria, Squamata (lizards)
Common NamesE: Collett’s Skink, Buff-tailed Finesnout Ctenotus 
SynonymLygosoma colletti BOULENGER 1896: 234
Lygosoma (Sphenomorphus) colletti — GLAUERT 1960
Ctenotus colletti colletti — STORR 1975: 240
Ctenotus colletti — COGGER 1983: 145
Ctenotus colletti — COGGER 2000: 420
Ctenotus colletti — WILSON & SWAN 2010 
DistributionAustralia (Northern Territory,Western Australia)

Type locality: Roebuck Bay, W. A.  
TypesHolotype: ZMUO (also as UZMO, Oslo) K2008 
DiagnosisDiagnosis: “A small brown-tailed member of the colletti group with 12 pale stripes on a dark ground. Further distinguishable from C. calurus by absence of enlarged plantars and of black markings under toes and tail.” (Storr 1975: 240).

Description: “Snout-vent length (mm): 33-42 (37.1). Length of appendages (% SVL): foreleg 24-27, hindleg 40-45, tail 162-213.
Nasals forming median suture. Prefrontals separated. Supraoculars 4, first 3 in contact with frontal. Supraciliaries 6. Palpebrals 9-10. Second loreal 1.3-1.6 times a"s wide as high. Upper labials 7. Ear lobules 2, first much the larger and very obtuse. Nuchals 3 or 4. Midbody scale rows 26-27. Lamellae under fourth toe 24-25, each with a fine weak keel.
Back and sides dark brown with -following brownish white stripes on each side: a narrow paravertebral and moderately narrow dorsolateral and between them two narrow dorsal; a moderately wide midlateral and ventrolateral. Head pale brown marked with dark brown, including a median streak on frontal. Legs pale brown longitudinally striped with dark brown.” (Storr 1975: 240). 
CommentCtenotus colletti nasutus STORR 1969 and Ctenotus colletti rufescens STORR 1979 have been raised to species status by STORR 1990.

Abundance: quite common, with more than 400 specimens collected (Pianka 2011)

Limb morphology: 5 digits, 5 toes (Singhal et al. 2018, Cogger 2014) 
EtymologyNamed after Dr. Robert Collett (1842-1913), a Norwegian zoologist and ichthyologist who worked at Christiania (Oslo) Museum (1871-1913) and was Professor of Zoology at the university from 1884. 
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • Boulenger, G. A. 1896. Descriptions of four new lizards from Roebuck Bay, N. W. Australia obtained by Dr. Dahl for the Christiania Museum. Ann. Mag. nat. Hist. (6) 18: 232—235 - get paper here
  • Cogger, H. G. 2014. Reptiles and Amphibians of Australia, 7th ed. CSIRO Publishing, xxx + 1033 pp. - get paper here
  • Cogger, H.G. 2000. Reptiles and Amphibians of Australia, 6th ed. Ralph Curtis Publishing, Sanibel Island, 808 pp.
  • Couper, P., Covacevich, J., Amey, A. & Baker, A. 2006. The genera of skinks (Family Scincidae) of Australia and its island territories: diversity, distribution and identification. in: Merrick, J.R., Archer, M., Hickey, G.M. & Lee, M.S.Y. (eds.). Evolution and Zoogeography of Australasian Vertebrates. Australian Scientific Publishing, Sydney, pp. 367-384
  • Glauert, L. 1960. Herpetological miscellanea. XII. The family Scincidae in Western Australia. Pt. 2. The genus Lygosoma. Western Australian Naturalist 7 (4): 81-99 - get paper here
  • Pianka, E. R. 1969. Sympatry of desert lizards (Ctenotus) in Western Australia. Ecology 50: 1012-1030 - get paper here
  • Singhal, Sonal; Huateng Huang, Maggie R. Grundler, María R. Marchán-Rivadeneira, Iris Holmes, Pascal O. Title, Stephen C. Donnellan, and Daniel L. Rabosky 2018. Does Population Structure Predict the Rate of Speciation? A Comparative Test across Australia’s Most Diverse Vertebrate Radiation. The American Naturalist - get paper here
  • Storr G M 1969. The genus Ctenotus (Lacertilia: Scincidae) in the Eastern Division of Western Australia. J. Royal Soc. Western Australia 51: 97-109 - get paper here
  • Storr G M 1970. The genus Ctenotus (Lacertilia: Scincidae) in the Northern Territory. J. Royal Soc. Western Australia 52: 97-108 [1969] - get paper here
  • Storr G M 1990. The Ctenotus colletti complex (Lacertilia: Scincidae), including a new species from the Pilbara. Rec. West. Austr. Mus. 14 (4): 623-626 - get paper here
  • Storr, G. M. 1975. The genus Ctenotus (Lacertilia: Scincidae) in the Kimberley and North-west Divisions of Western Australia. Rec. West. Aust. Mus. 3: 209-243 - get paper here
  • Storr, G. M., Smith, L. A. & Johnstone, R. E. 1981. Lizards of Western Australia. I. Skinks. Perth: University of Western Australia Press and Western Australian Museum, 200 pp.
  • Wilson, S. & Swan, G. 2010. A complete guide to reptiles of Australia, 3rd ed. Chatswood: New Holland, 558 pp.
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