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Dierogekko kaalaensis BAUER, JACKMAN, SADLIER & WHITAKER, 2006

IUCN Red List - Dierogekko kaalaensis - Critically Endangered, CR
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Higher TaxaDiplodactylidae, Gekkota, Sauria, Squamata (lizards: geckos)
Subspecies 
Common NamesE: Kaala Striped Gecko 
SynonymDierogekko kaalaensis BAUER, JACKMAN, SADLIER & WHITAKER 2006
Dierogekko kaalaensis — SKIPWITH et al. 2016 
DistributionNew Caledonia (Province Nord, Kaala massif)

Type locality: New Caledonia, Province Nord, Kaala massif, headwaters of Oué Injob, 6 km N Kaala-Gomen, 20°37′03.2′′S, 164°22′49.0′′E (elevation 900 m).  
Reproductionoviparous 
TypesHolotype: MNHN-RA 2004.0017 (formerly AMS R 161096): Adult male; collected by A.H. Whitaker and V.A. Whitaker, 2 June 2002. 
DiagnosisDiagnosis: Dierogekko kaalaensis can be distinguished from all congeners on the basis of the following combination of characters: size relatively large (to 45.4 mm SVL), 1–2 internasal scales; distal subdigital lamellae divided; male preanal pores in a single row of 12–15. Narrow dark brown markings bordering dorsal pale region laterally reduced to a series of widely spaced dark speckles corresponding to individual granular scales. 
CommentCONSERVATION STATUS.—Dierogekko kaalaensisis known only from three localities on the Kaala massif. The area supports introduced Rattus species, cats, deer and pigs and has been heavily exploited by mining. Two mines on the summit of the massif are still active and there are current plans to re-open one of the old mines on the western slopes. In addition, recent wildfires have severely affected the western slopes of Kaala. As this species is at potential risk from several threats in its restricted range, we regard it as Critically Endangered.

Abundance: only known from its original description (Meiri et al. 2017). This is one of the species called 'lost' and 'rediscovered' by Lindken et al. 2024. 
EtymologyThe specific epithet kaalaensis is derived from the Kaala massif, the ultramafic mountain (1079 m maximum elevation) to which this species appears restricted. 
References
  • Barts, M. 2007. Eine neue Gattung und sieben neue Arten der neukaledonischen Geckofauna. Reptilia (Münster) 12 (65): 4-5 - get paper here
  • Bauer, Aaron M. Jackman, Todd. Sadlier, Ross A. Whitaker, Anthony H. 2006. A revision of the Bavayia validiclavis group (Squamata: Gekkota: Diplodactylidae), a clade of New Caledonian geckos exhibiting microendemism. Proc. Cal. Acad. Sci. 57 (12-24):503-547. - get paper here
  • Lindken T.; Anderson, C. V., Ariano-Sánchez, D., Barki, G., Biggs, C., Bowles, P., Chaitanya, R., Cronin, D. T., Jähnig, S. C., Jeschke, J. M., Kennerley, R. J., Lacher, T. E. Jr., Luedtke, J. A., Liu, C., Long, B., Mallon, D., Martin, G. M., Meiri, 2024. What factors influence the rediscovery of lost tetrapod species? Global Change Biology, 30: 1-18 - get paper here
  • 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
  • Skipwith, Phillip L.; Aaron M. Bauer, Todd R. Jackman and Ross A. Sadlier 2016. Old but not ancient: coalescent species tree of New Caledonian geckos reveals recent post-inundation diversification. Journal of Biogeography, DOI: 10.1111/jbi.12719 - get paper here
  • Skipwith, Phillip; Todd JACKMAN, Anthony H. WHITAKER, Aaron M. BAUER & Ross A. SADLIER 2014. New data on Dierogekko (Squamata: Gekkota: Diplodactylidae), with the description of a new species from Ile Baaba, Province Nord, New Caledonia. Memoires du Museum National d'Histoire Naturelle, 206: 13-30. - get paper here
 
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