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Gehyra ocellata KEALLEY, DOUGHTY, PEPPER, KEOGH, HILLYER & HUEY, 2018

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Higher TaxaGekkonidae, Gekkota, Sauria, Squamata (lizards: geckos)
Subspecies 
Common NamesE: Pilbara Island Gehyra 
SynonymGehyra ocellata KEALLEY, DOUGHTY, PEPPER, KEOGH, HILLYER & HUEY 2018
Gehyra variegata B2 — ASHMAN et al. 2018 
DistributionAustralia (Western Australia: restricted to islands off the Pilbara coast near Karratha, including Barrow, Varanus, Trimouille and Hermite)

Type locality: Barrow Island settlement (2047′46′′ S, 11525′52′′E), WA  
Reproductionoviparous (not imputed, fide Zimin et al. 2022) 
TypesHolotype: WAM R173013, an adult male collected on 11 December 2012 by S. Schmidt (Biota Environmental Sciences). Paratypes. WAM R165971 (male), Trimouille Island (2023′12′′S, 11533′04′′E); WAM R165973 (female), Hermite Island (2025′22′′S, 11531′54′′E); WAM R165974 (male), Hermite Island (2025′22′′S, 11531′54′′E); WAM R165975 (female), Hermite Island (2025′22′′S, 11531′54′′E); WAM R172939 (male), WAPET Barge Landing, Barrow Island (2043′27′′S, 11528′19′′E). 
DiagnosisDiagnosis: A small-bodied (to 49.0 mm SVL) species with moderately short snout, internarial absent or present, lower postnasal larger than upper, two pairs of chin shields, second infralabial notched by parinfralabial scales, usually six (occasionally seven) subdigital lamellae on the fourth toe and males with 10–12 (mean 11.1) pre-cloacal pores. Background colour light to medium reddish-brown with numerous pale spots with fewer brown irregular markings, head stripes poorly defined or absent and ventrum with little or no stippling. Genetically diagnosed from other arid clade members (except G. crypta sp. nov.) by the ND2 sites in Table 3.


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CommentHabitat: termite mounds (P. Kendrick, R. J. Teale, 2018, cited as personal communication in Kealley et al. 2018). Several records mention ‘under limestone slab.’

Similar species: This species had been previously identified as G. pilbara owing to the reddish colouration and pattern of spots. The evolution of a reddish hue and spotted appearance is more often associated with an ecological shift to rocks (e.g. G. punctata and G. nana clade species), suggesting more saxicoline habits as opposed to the sympatric G. variegata on these Pilbara islands which would likely maintain arboreal habits. This situation is also observed for the North West Cape for G. capensis sp. nov. and G. variegata and may represent a parallel case of ecological divergence in sympatry with only two Gehyra species occurring in a small area.

Distribution: see map in Kealley et al. 2018: 4 (Fig. 1). 
EtymologyThe species epithet ocellata (New Latin) refers to the spotted appearance of this species. Used as an adjective. 
References
  • Ashman, L. G., Bragg, J. G., Doughty, P. , Hutchinson, M. N., Bank, S. , Matzke, N. J., Oliver, P. and Moritz, C. 2018. Diversification across biomes in a continental lizard radiation. Evolution, doi:10.1111/evo.13541 - get paper here
  • Ellis, Ryan J.; Paul Doughty and Aaron M. Bauer 2018. An annotated type catalogue of the geckos and pygopods (Squamata: Gekkota: Carphodactylidae, Diplodactylidae, Gekkonidae, Pygopodidae) in the collection of the Western Australian Museum. Records of the Western Australian Museum 33: 051–094 - get paper here
  • Kealley, Luke; Paul Doughty, Mitzy Pepper, J. Scott Keogh, Mia Hillyer and Joel Huey 2018. Conspicuously concealed: revision of the arid clade of the Gehyra variegata (Gekkonidae) group in Western Australia using an integrative molecular and morphological approach, with the description of five cryptic species. PeerJ 6:e5334; DOI 10.7717/peerj.5334 - get paper here
  • Kwet, A. 2019. Liste der im Jahr 2018 neu beschriebenen Reptilien. Elaphe 2019 (3): 52-72
  • Zimin, A., Zimin, S. V., Shine, R., Avila, L., Bauer, A., Böhm, M., Brown, R., Barki, G., de Oliveira Caetano, G. H., Castro Herrera, F., Chapple, D. G., Chirio, L., Colli, G. R., Doan, T. M., Glaw, F., Grismer, L. L., Itescu, Y., Kraus, F., LeBreton 2022. A global analysis of viviparity in squamates highlights its prevalence in cold climates. Global Ecology and Biogeography, 00, 1–16 - get paper here
 
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