Platymantis dorsalis (Duméril 1853)

Frogs of the genus Platymantis have two geographic centers of diversity and endemism. One large group of species occurs in the Solomon Islands and nearby Bismarck and Admiralty archipelagos (26 species). Another large group of species occurs in the Philippines (29 species). Outside of these two large archipelagos, one species occurs in Palau, seven or eight are known from New Guinea faunal region, two to four species occur in eastern Indonesia, and two species occur in Fiji (for review, see Siler et al., 2010). All species have direct development as the mode of reproduction, with direct-developing egg masses deposited in forest habitat on leaves, moss, twigs, and branches, as well as within leaf litter, and in rocky crevices in limestone outcrops.

Within the Philippines, three species groups are recognized on the basis of external morphology (W. C. Brown et al., 1997a,b; Alcala and W. C. Brown, 1999): the Platymantis dorsalis Group, the P. hazelae Group, and the P. guentheri Group. In addition to the morphological variation among Platymantis in the Philippines, the advertisement calls and preferred microhabitats of the species also vary (R. M. Brown et al., 2002; R. M. Brown and Gonzales, 2007). Surveys have shown that the highly distinctive limestone-forest habitats of the Philippines possess a great diversity of Platymantis and many endemic species (W. C. Brown and Alcala, 1982; R. M. Brown and Alcala, 2000; Siler et al., 2007, 2010).

The Platymantis hazelae Group, as currently recognized, consists of eight species endemic to the Philippines: P. hazelae, P. isarog, P. lawtoni, P. montanus, P. panayensis, P. polilloensis, P. sierramadrensis, and P. subterrestris. Members of this species group have been traditionally diagnosed on the basis of the following combination of characters: 1) terminal phalanx a wide "T"; 2) disks of fingers, except first, broadly dilated; 3) first finger much shorter than second, not reaching beyond midpoint between subarticular tubercle and disk; 4) digits proximal to disks much broader than deep, the result of wide dermal flanges; 5) subarticular tubercles large, round, and only moderately protruding; and 6) toe disks smaller than finger disks (Character and character states for the P. hazelae Group taken from Brown et al., 1997).

The Platymantis guentheri Group, as currently recognized, consists of ten species endemic to the Philippines: P. banahao, P. bayani, P. biak, P. cornutus, P. diesmosi, P. guentheri, P. insulatus, P. luzonensis, P. negrosensis, and P. rabori. Members of this species group have been traditionally diagnosed on the basis of the following combination of characters: 1) terminal phalanx a moderate to wide "T"; 2) disks of fingers, except first, moderately to broadly dilated; 3) first finger shorter than second, reaching as far as base of disk for some species; 4) digits proximal to disks about as deep as broad, the result of narrow, dermal flanges; 5) subarticular tubercles large and strongly protruding; and 6) toe disks about as broad to half as broad as finger disks (Character and character states for the P. guentheri Group taken from Brown et al., 1997).

The Platymantis dorsalis Group, as currently recognized, consists of twelve species endemic to the Philippines: P. cagayensis, P. corrugatus, P. dorsalis, P. indreprensus, P. levigatus, P. mimulus, P. naomiae, P. paengi, P. pseudodorsalis, P. pygmaeus, P. spelaeus, and P. taylori. Members of this species group have been traditionally diagnosed on the basis of the following combination of characters: 1) terminal phalanx bluntly rounded to pointed; 2) tips of fingers blunt, without disks, or with small to moderate disks; 3) first finger slightly shorter, about as long as, or longer than second; 4) digits proximal to disks about as deep as broad; 5) subarticular tubercles large, strongly protruding and frequently pointed; and 6) finger disks smaller than to slightly larger than toe disks (Character and character states for the P. dorsalis Group taken from Brown et al., 1997).

The currently recognized species diversity for the genus, especially within the Philippines, is likely underestimated. Future fine-scale studies of inter-population diversity, as well as studies incorporating genetic data will likely result in the discovery of numerous new, undescribed species. Although the three species groups recognized in the Philippines have long been a useful tool for diagnosing species based on external morphology, it is quite possible that these species groups are not monophyletic, and future studies may reveal phylogenetic patterns inconsistent with our current understanding of species diversity within the genus Platymantis.

Platymantis dorsalis can be distinguished from congeners by the following combination of characters: (1) medium body size (SVL 24.9-35.4 mm); (2) large relative tympanic annulus diameter (8.0-10.0 TAD/SVL); (3) digital disk expansion absent; (4) rictal tubercle cluster present, often single tubercle; (5) dorsal skin rugosity present or absent; (6) dorsal dermal tubercles present or absent; (7) dorsal folds/ridges present, irregular; (8) tympanum completely visible; (9) supratympanic fold smooth, less prominent; (10) palmar metacarpal tubercle large, divided or single; (11) micohabitat preference for ground forest habitat; and (12) advertisement call consists of pure-tone frequency sweeps. (Character and character states follow Siler et al. 2007)

As currently recognized, this species is widely distributed across the Philippines.

This species is commonly observed on or within leaf litter on the forest floor in disturbed, and secondary- and primary-growth forest. Occasionally, this individuals of this species can also be observed beneath decaying logs on the forest floor.

All species have direct development as the mode of reproduction, with direct-developing egg masses deposited by females in forest habitat.

Type reported to be stored in the Museum National d'Histoire Naturelle, Paris, France: MNHNP 4880

Platymantis dorsalis és una espècie de granota que viu a les Filipines.

Es troba amenaçada d'extinció per la pèrdua del seu hàbitat natural.

Platymantis dorsalis (Dumeril's wrinkled ground frog or common forest frog) is a species of frog in the family Ceratobatrachidae. It is endemic to the northern and central Philippines. Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical moist montane forests, plantations, rural gardens, and heavily degraded former forests. It is threatened by habitat loss.

Platymantis dorsalis es una especie de anfibios de la familia Ranidae.

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Platymantis dorsalis Platymantis generoko animalia da. Anfibioen barruko Ceratobatrachidae familian sailkatuta dago, Anura ordenan.

Platymantis dorsalis est une espèce d'amphibiens de la famille des Ceratobatrachidae.

Platymantis dorsalis é uma espécie de anfíbio da família Ranidae.

É endémica das Filipinas.

Os seus habitats naturais são: florestas subtropicais ou tropicais húmidas de baixa altitude, regiões subtropicais ou tropicais húmidas de alta altitude, plantações, jardins rurais e florestas secundárias altamente degradadas.

Está ameaçada por perda de habitat.

Platymantis dorsalis là một loài ếch trong họ Ranidae. Chúng là loài đặc hữu của Philippines.

Các môi trường sống tự nhiên của chúng là rừng ẩm vùng đất thấp nhiệt đới hoặc cận nhiệt đới, vùng núi ẩm nhiệt đới hoặc cận nhiệt đới, các đồn điền, vườn nông thôn, và rừng trước đây suy thoái nghiêm trọng. Loài này đang bị đe dọa do mất môi trường sống.