title: A new Leptolalax from the mountains of Sabah, Borneo (Amphibia, Anura, Megophryidae).
abstract: A new species of Leptolalax is described from Kinabalu National Park in western Sabah, Malaysian Borneo. The new species had been assigned to L. dringi, L. gracilis, or L. fritinniens in the past. It differs from all congeners, including these species, by a unique combination of morphological characters, including small body size, rounded snout, narrower interorbital than upper eyelid, basal toe webbing, smooth skin with tiny tubercles on dorsum and dorsal side of head, small pectoral glands, absence of supraaxillary glands and ventrolateral glandular ridges, spotted venter, advertisement call consisting of long series of 1-149 notes, each composed of three or four pulses, and dominant frequency at 6.90-7.35 kHz, without prominent frequency modulation.
authors.affiliation: Graduate School of Human and Environmental Studies, Kyoto University, Kyoto 606-8501, Japan; Email: fumi@zoo.zool.kyoto-u.ac.jp.
authors.forename: Masafumi
authors.initials: M
authors.lastname: Matsui
authors.affiliation: Graduate School of Human and Environmental Studies, Kyoto University, Kyoto 606-8501, Japan; Email: unknown.
authors.forename: Kanto
authors.initials: K
authors.lastname: Nishikawa
authors.affiliation: Research and Education Division, Sabah Parks, P.O. Box 10626, Kota Kinabalu 88806, Sabah, Malaysia; Email: unknown.
authors.forename: Paul
authors.initials: P
authors.lastname: Yambun
mesh_terms: D000818:Animals; D001001:Anura / Q000033:anatomy & histology* / Q000145:classification*; D001893:Borneo; D005260:Female; D008296:Malaysia; D008297:Male