The gekkonid genus Cyrtodactylus is the third most speciose vertebrate genus in the world, containing well over 300 species that collectively range from South Asia to Melanesia across some of the most diverse landscapes and imperiled habitats on the planet. A genus-wide phylogeny of the group has never been presented because researchers working on different groups were using different genetic markers to construct phylogenies that could not be integrated. We present here Maximum likelihood and Bayesian inference mitochondrial and mito-nuclear phylogenies incorporating of 310 species that include dozens of species that had never been included in a genus-wide analysis. Based on the mitochondrial phylogeny, we partition Cyrtodactylus into 31 well-supported monophyletic species groups which, if used as recommended herein, will increase the information content of future integrative taxonomic analyses that continue to add new species to this genus at an ever-increasing annual rate. Data presented here reiterate the outcome of several previous studies indicating that Cyrtodactylus comprises an unprecedented number of narrow-range endemics restricted to single mountain tops, small islands, or karst formations that still remain unprotected. This phylogeny can provide a platform for various comparative ecological studies that can be integrated with conservation management programs across the broad diversity of landscapes and habitats occupied by this genus. Additionally, these data indicate that the true number of Cyrtodactylus remains substantially underrepresented.

With an understudied amphibian fauna, the highest deforestation rate on the planet and high harvesting pressures, Southeast Asian amphibians are facing a conservation crisis. Owing to the overriding threat of habitat loss, the most critical conservation action required is the identification and strict protection of habitat assessed as having high amphibian species diversity and/or representing distinctive regional amphibian faunas. Long-term population monitoring, enhanced survey efforts, collection of basic biological and ecological information, continued taxonomic research and evaluation of the impact of commercial trade for food, medicine and pets are also needed. Strong involvement of regional stakeholders, students and professionals is essential to accomplish these actions.

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A new species of the gekkonid genus Goniurosaurus is described from Cat Ba Island, Hai Phong, northern Vietnam. G. catbaensis sp. n. is, by its gracile body and limbs, the thin, posteriorly protracted nuchal loop, the three (or four) thin immaculate dorsal body bands between limb insertions, without dark spotting and with dark, narrow border surrounding the body bands, the lack of postrostral (internasal) scales, the presence of a greatly enlarged row of supraorbital tubercles, the outer surface of the upper eyelid being composed of granular scales of about the same size of those on top of head and with a longish row of 6–9 enlarged tubercles, granular body scales, with 8–11 granular scales surrounding the dorsal tubercles, deep axillary pockets, claws being sheathed by four scales, and 16–21 precloacal pores. The new taxon is known only from Cat Ba Island and is the eleventh Goniurosaurus species known and the fourth known species from Vietnam. We provide first data on its natural history and a key to the currently recognized Goniurosaurus species.