Leptodactylus rhodomystax Boulenger 1884

Leptodactylus rhodomystax, the rose-lipped, thin-toed frog, is one of the many species in the species-rich Neotropical genus Leptodactylus.Recent molecular analysis groups it along with 16 species in a Leptodactylus pentadactylus clade, distinguished from others by the bright white-reddish colored stripe on its upper lip. It is found at elevations up to 500 m (1640 feet) asl in the Guianas, northern and central Brazil to Amazonian Colombia, Ecuador, Peru, and Bolivia. It inhabits leaf-litter on forest floors and swamps, especially open areas, forest edges, and also in disturbed habitats (de Sá et al. 2014; La Marca et al. 2010).

A moderate sized frog, females average adult size of 79 mm (3.1 in) snout-vent length; males 73 mm (2.9 inches). Males make holes in ground to call from: a single pulse advertising call lasting 0.12-0.23 seconds, with dominant frequency 3,700–5,400 Hz (Zimmerman and Bogart 1988 cited in de Sá et al.). Adults breed in slow-moving, semi-permanent or temporary water bodies, making aquatic foam nests in which to lay eggs (as do others in the L. pentadactylus group).Tadpoles have a dark tail, and grow up to total length of about 47 mm (1.9 inches).A fairly common species, it is listed by the IUCN as of least concern (de Sá et al. 2014; La Marca et al. 2010).

Leptodactylus rhodomystax Boulenger, 1883

Leptodactylus rhodomystax Boulenger, 1883:637. [Type-locality: Yurimaguas, Huallaga River, Peru. Lectotype: BMNH 1947.12.17.81, juvenile.]

Leptodactylus stictigularis Noble, 1923:293. [Type-locality: Kartabo, British Guiana. Holotype: AMNH A–10398, adult male.]

DIAGNOSIS.—Specimens of rhodomystax have distinct dorsolateral folds and a distinct light stripe on the upper lip. The other species in which some or all individuals share this combination of characteristics are flavopictus and rhodonotus (most rhodonotus lack a distinct lip stripe). The posterior surface of the thigh has discrete, distinct light spots on a dark field (Figure 3, N, O) in rhodomystax. The thighs of flavopictus and rhodonotus are variously irregularly spotted and mottled, but never have a pattern of discrete light spots.

ADULT CHARACTERISTICS (N=16).—Dorsum relatively uniform or with narrow transverse bands (Figure 1, B, C); lip with distinct light stripe (Figure 2, H, L); posterior surface of thigh with distinct light spots on a dark background (Figure 3, N, O): upper tibia broadly or narrowly banded (Figure 4, A, D) or patternless; a pair of dark outlined dorsolateral folds from eye to groin; dark outlined fold from eye over tympanum to shoulder; no fold from above tympanum to side of body; male thumb with one spine per hand; male chest spines present; upper tibia and distal tarsus smooth or covered with few to many white tubercles; sole of foot usually smooth, sometimes with a few scattered white tubercles; female SVL 76.5±6.7 mm, maximum 83.8 mm, male 80.2±7.3, maximum 89.6 mm; female interorbital distance/head length ratio 0.21±0.02, male 0.21±0.02; female eye-nostril distance/head length ratio 0.22±0.01, male 0.22±0.01; female head length/SVL ratio 0.36±0.01, male 0.36±0.01; female head width/SVL ratio 0.38±0.01, male 0.38±0.01; female femur/SVL ratio 0.43±0.01, male 0.42±0.02; female tibia/SVL ratio 0.44±0.01, male 0.45±0.02; female foot/SVL ratio 0.46±0.02, male 0.46±0.02.

DISTINCTIVE COLORS IN LIFE.—Lip stripes range from white to rosy gray, the light thigh spots range from white to yellow; the dorsum ranges from brown to bright orange( W. E. Duellman field notes).

LARVAL CHARACTERISTICS.—Unknown.

MATING CALL.—Unknown.

KAROTYPE.—Unknown.

DISTRIBUTION (Figure 15).—The species is known from scattered localities throughout the greater Amazon Basin.

BRAZIL. AMAPÁ: Serra do Navio (KU 92948–49). AMAZONAS: Ducke Reserve (KU 129946); Manjura R (AMNH 73546, 76181–82). MARANHÃO: Aldeia Araçu, Igarapé Gurupi-Una (MZUSP 23489–90). MATO GROSSO: Xingu, Parque Indígena, Posto Diauarum (MZUSP 49523). PARÁ: IPEAN (KU 127401–08).

COLOMBIA. AMAZONAS: Río Apaporis (USNM 144889–91).

ECUADOR. MORONA-SANTIAGO: Cusuime, 320 m (AMNH 93707–28). NAPO: Lago Agrio, 340 m (KU 126260); Puerto Libre, Río Aguarico, 570 m (KU 122581); Santa Cecilia (KU 109165–67). PASTAZA: Andoas (AMNH 71026–27); Río Ollaguanga, mouth of, tributary of Río Conambo (USNM 196748); Río Pindo (USNM 196751(3)); Río Pucuyacu, Río Bobonaza (USNM 196749); Río Shyona, mouth of, in Conambo R (USNM 196750); Sarayacu, 400 m (KU 120297).

GUYANA. Dunoon, Demerara R (UMMZ 48292–93); Kamakusa (AMNH 18960); Kartabo (AMNH 13489, 70902–03); between Mackreba Falls and Membaro Creek (UMMZ 85150); Rupununi, N of Acarahy Mts, W of New R (KU 69691); Shudi-kar-wau (AMNH 49246, 51942); Tukeit Hill, below Kaiteur Falls, Tumong Dist (UMMZ 63034).

PERU. LORETO: Centro Union (TCWC 41698); Estiron, Río Ampiacu (CAS 93353); Orellana, Domo Sta Clara (USNM 127925–27); Peru-Brazil border, upper Utoquinea (AMNH 42154). PASCO: Iscozazin Valley, Pan de Azucar (LACM 40650).

SURINAM. Kaiserberg Airstrip, Zuid R (FMNH 128819, 128833–40); Lely Mts (MCZ 89647).

Leptodactylus rhodomystax és una espècie de granota que viu a Bolívia, Brasil, Colòmbia, Equador, Guaiana Francesa, Guyana, Perú i Surinam.

Leptodactylus rhodomystax (common name: Loreto white-lipped frog, rose-lipped thin-toed frog) is a species of frog in the family Leptodactylidae. It is found in the Guianas (French Guiana, Guyana, and Suriname) through northern and central Brazil to Amazonian Bolivia, Colombia, Peru, and Ecuador, and possibly in Venezuela where most if not all records represent misidentifications of Leptodactylus riveroi.

Leptodactylus rhodomystax are small frogs: the two syntypes measured 25 mm (0.98 in) in snout–vent length.

Leptodactylus rhodomystax es una especie de anfibio anuro de la familia Leptodactylidae. Se distribuye por Bolivia, Brasil, Colombia, Ecuador, Guayana Francesa, Guyana, Perú y Surinam.

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Leptodactylus rhodomystax Leptodactylus generoko animalia da. Anfibioen barruko Leptodactylidae familian sailkatuta dago, Anura ordenan.

Leptodactylus rhodomystax est une espèce d'amphibiens de la famille des Leptodactylidae.

Leptodactylus rhodomystax é uma espécie de anfíbio da família Leptodactylidae. Pode ser encontrada na Bolívia, Brasil, Peru, Equador, Colômbia, Venezuela, Guiana, Suriname e Guiana Francesa.

Leptodactylus rhodomystax là một loài ếch trong họ Leptodactylidae. Tên gọi bản địa của nó là sapo-rana rugoso de Boulenger ("Boulenger's rough toad-frog"). Nó được tìm thấy ở Bolivia, Brasil, Colombia, Ecuador, Guyane thuộc Pháp, Guyana, Peru, và Suriname. Các môi trường sống tự nhiên của chúng là các khu rừng ẩm ướt đất thấp nhiệt đới hoặc cận nhiệt đới, đầm nước nhiệt đới hoặc cận nhiệt đới, đầm nước, đầm nước ngọt, và đầm nước ngọt có nước theo mùa.