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AmphibianTerrestrialIntermediate
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Banahaw wrinkled ground frog
Platymantis pseudodorsalis
An extremely rare, highly specialized high-elevation montane frog that is entirely confined to the pristine upper mossy cloud forests of Mount Banahaw, demanding low temperatures to thrive.
Class:Amphibia
Order:Anura
Family:Ceratobatrachidae
Subfamily:Ceratobatrachinae
Genus:Platymantis
Species:Platymantis pseudodorsalis
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Environment
Terrestrial
Humidity
70 - 90 %
Day temperature
24 - 28 °C
Night temperature
22 - 24 °C
UVB
Low
Species description
Geographical Origin and Habitat: This amphibian species is endemic to the Philippines, specifically native to the island of Luzon, with major populations located in the area of foreste montane superiori del Monte Banahaw. It occurs at elevation ranges between 1350 and 1500 meters above sea level, primarily inhabiting high-elevation mossy forests and upper montane rainforests. The species is highly dependent on specific humid microhabitats, such as thick wet moss cushions, high-altitude leaf litter, and damp rocky crevices covered with lichens, which provide essential cover and consistent moisture levels. Deforestation, agricultural expansion, and habitat fragmentation represent severe threats to the long-term survival of its wild populations.
Taxonomy and Genetics: Taxonomically, it belongs to the family Ceratobatrachidae and the genus Platymantis. The species is characterized by an evolutionary lineage highly adapted to a terrestrial lifestyle. A key evolutionary trait of this taxon is direct development, completely bypassing the free-swimming aquatic tadpole stage. Genetic and phylogenetic studies show a close relationship with other members of the Platymantis dorsalis group, sharing convergent morphological traits driven by the colonization of isolated montane ecological niches.
Behavior and Habits: This is a strictly nocturnal and highly cryptic amphibian. It spends daylight hours concealed beneath leaf litter, damp moss, or within deep within damp moss cushions, beneath wet stones, or in soil fissures of the high-altitude terrain to prevent desiccation and avoid predators. During the rainy season, males become highly active and vocalize from wet mossy stones, low rock crevices, or dwarf shrubs at heights of less than one meter to attract mates and establish territories. Their advertisement call is described as a high-frequency whistle or a single metallic clicking sound emitted at long intervals, making it difficult to locate. Social interactions are largely restricted to breeding events, while during the rest of the year, they lead solitary and territorial lives.
Morphology: The species displays a small to medium and slender body size. Adults reach a snout-vent length (SVL) of approximately 25.0 e 30.0 mm in males and 32.0 e 38.0 mm in females, demonstrating apparent dimorphism, with adult females presenting a stouter build and larger dimensions than males. The body is structurally characterized by un corpo snello con arti posteriori allungati adatti a compiere salti agili e precisi tra le rocce muschiose. Dorsal coloration is typically cryptic grayish-brown or reddish-brown, sometimes with ash-gray or beige patches resembling damp stones, providing excellent camouflage against its natural background. The eyes are large with a glossy bronze iris and a black horizontal elliptical pupil highly sensitive to ambient light, and the digits on the limbs feature unwebbed digits ending in small, narrow adhesive discs, accompanied by well-developed plantar tubercles. The skin texture on the dorsum is slightly rough on the dorsum with small granules distributed near the spine and smooth flanks, which serves as a diagnostic feature to distinguish it from sister species.
Care, breeding and tankmates
Terrarium Setup: To house this species, a naturalistic terrarium replicating the Philippine montane rainforest environment is required. For a small group, an enclosure measuring at least 50x40x40 cm is recommended, preferably with horizontal with a moderate rock slope to allow for climbing options orientation. The substrate must consist of a well-draining mix of coconut fiber, peat moss, and bark, topped with a thick layer of leaf litter (such as oak or magnolia leaves) and sphagnum moss to retain moisture. The enclosure should be furnished with flat stones covered with live moss, pots with dwarf montane ferns, and thick cushions of wet sphagnum, along with live broad-leaved plants like Pothos or Bromeliads, providing shade and secure hideouts.
Lighting and Heating: Being a nocturnal species, it does not require high-intensity lighting, but a regular 12-hour photoperiod should be provided. A low-output UVB source (such as 2.0 or 5.0) is recommended to promote vitamin D3 synthesis and support live plant growth. Daytime temperatures must be kept cool, ranging between 18°C and 22°C, with a localized basking spot not exceeding 24°C. At night, a drop to 14-16°C is essential to replicate the natural temperature fluctuations of high-altitude montane habitats.
Humidity and Hydration: Relative humidity must be kept consistently high, ideally maintained between 80% and 95% during the day, and approaching 100% at night. This can be achieved by misting the enclosure twice daily with dechlorinated or reverse osmosis water to prevent mineral buildup. A shallow water dish with clean water must always be present on the substrate, with water replaced daily. It is critical to avoid waterlogging the substrate, which requires a proper drainage layer and good ventilation to prevent mold and bacterial skin infections.
Feeding and Supplementation: The diet must be strictly insectivorous, consisting of live prey sized appropriately for the frog's mouth. Small crickets, fruit flies (Drosophila melanogaster or D. hydei), springtails, isopods, and micro roaches are excellent choices. Adults should be fed 3-4 times a week, while juveniles require daily feedings. It is essential to dust the prey with calcium powder at every feeding and with a high-quality calcium + vitamin D3 + multivitamin supplement (including vitamin A) twice a week to prevent Metabolic Bone Disease.
Compatibility: This species is generally peaceful but males can be territorial, displaying vocal aggression and occasional physical sparring if space is limited. Housed singly or in established pairs (one male and one female) is recommended, or small harems in very spacious enclosures with plenty of visual barriers. Co-housing with other amphibian species is strictly discouraged to eliminate the risk of predation (on smaller tankmates) and the transmission of novel pathogens to which they have no immunity.
Health and Common Diseases: The health of this amphibian depends heavily on terrarium hygiene and stable environmental parameters. Because their skin is highly permeable, they are extremely sensitive to chemical toxins, and all water used must be completely dechlorinated. Common issues include bacterial skin infections (such as red leg syndrome) caused by dirty substrates or stagnant air, and metabolic bone disease due to insufficient calcium or UVB exposure. Direct handling should be avoided unless strictly necessary, and should only be done using clean, wet, powder-free latex gloves.
Geographic Origin and Distribution
This amphibian species is endemic to the Philippines, specifically native to the island of Luzon, with major populations located in the area of foreste montane superiori del Monte Banahaw. It occurs at elevation ranges between 1350 and 1500 meters above sea level, primarily inhabiting high-elevation mossy forests and upper montane rainforests. The species is highly dependent on specific humid microhabitats, such as thick wet moss cushions, high-altitude leaf litter, and damp rocky crevices covered with lichens, which provide essential cover and consistent moisture levels. Deforestation, agricultural expansion, and habitat fragmentation represent severe threats to the long-term survival of its wild populations.
Origin
North AmericaSouth and Southeast Asia
Amphibian profile
- Diet
- No verified data available
- Life expectancy
- No verified data available
- Adult size
- 2.98 cm
- Lifestyle/Microhabitat
- No verified data available
- Activity cycle
- No verified data available
- Sociality
- No verified data available
- Reproduction
- No verified data available
- Toxicity
- No verified data available
- Life stage
- No verified data available
- Handling tolerance
- No verified data available
- Brumation
- No verified data available
- Molting
- No verified data available
The catalog's scalar value is 2.98 cm. The AmphiBIO v1 source reports a maximum adult measurement of 2.98 cm for this species, recorded as snout–vent length (SVL). These figures are not interchangeable: the first is the profile's editorial reference, whereas the second is a published maximum under a specific measurement convention; differences among sources can reflect sex, population, life stage and measuring method.
Image gallery
Licensed images linked to the species or, when marked, to the closest representative taxon.
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