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Eastern Dwarf Tree Frog
Litoria fallax
The Eastern Dwarf Tree Frog is a tiny, highly active amphibian from Australia's coastal wetlands. Often hiding among tall reeds, this charming species flourishes in a dense, well-planted paludarium.
Class:Amphibia
Order:Anura
Family:Pelodryadidae
Subfamily:Litoriinae
Genus:Litoria
Species:Litoria fallax
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Environment
Terrestrial
Humidity
60 - 80 %
Day temperature
24 - 26 °C
Night temperature
20 °C
Ambient temperature
24 - 26 °C
Minimum enclosure
>= 45 L
UVB
Low
Species description
Geographical Origin and Habitat: Strictly endemic to the swamps, reed beds, marshes, and flooded coastal scrublands of the eastern coast of Australia, ranging from Queensland to New South Wales. This tiny, cryptic frog lives clinging to tall grass stems, reeds, and papyrus, finding shelter from predatory wading birds and aquatic snakes.
Taxonomy and Genetics: *Litoria fallax* is one of the smallest tree frog species in the world, with adults measuring a mere 1.5–2 cm in length. The body is a bright apple-green or light bronze, with the ability to shift color for camouflage. A distinctive white or gold stripe runs from the nostril down the flanks. The fingertips are equipped with well-developed adhesive discs for climbing.
Behavior and Habits: A timid, highly active nocturnal species that is an exceptionally agile jumper. During the day, they rest in a compressed, camouflaged posture on green reeds or leaves to conserve moisture. At night, they become active hunters. Males are highly vocal, producing a high-pitched, insect-like chirping or metallic clicking call to attract mates.
Morphology: Sexual dimorphism is distinct. Adult females are significantly larger, heavier, and rounder when carrying eggs. Males are smaller and possess a large, dark vocal sac under the throat that inflates dramatically when calling.
Care, breeding and tankmates
Terrarium Setup: Requires a vertically oriented palustrine terrarium or paludarium (minimum 45x45x60 cm). Decorate the enclosure with tall live wetland plants such as papyrus, reeds, ferns, and *Pothos*, which serve as essential resting sites. A shallow, clean water area with dechlorinated water is required. Use a deep drainage layer of clay balls under the substrate to prevent waterlogging, which can breed deadly *Aeromonas* bacteria.
Lighting and Heating: Prefers a mild, stable temperature range of 24–26°C. They are highly sensitive to overheating; temperatures above 30°C can quickly trigger heat stroke and death. Provide a night drop to 20°C. A 5% UVB light source is highly recommended to promote calcium absorption and prevent metabolic bone disease (MBD), ensuring skeletal health.
Humidity and Hydration: Maintain high humidity levels (80–90%). Excellent ventilation (via mesh screens or micro-fans) is essential to prevent stagnant conditions and mold. Mist the enclosure daily in the evening with reverse osmosis or distilled water, allowing the surface of the leaves to dry slightly during the day.
Feeding and Supplementation: Their tiny mouths require very small live insect prey, such as flightless fruit flies (*Drosophila melanogaster* and *D. hydei*), pinhead crickets, or springtails. Dust the food with a high-quality calcium, D3, and multivitamin supplement three times a week to prevent nutritional deficiencies.
Compatibility: Highly peaceful and social. They can be safely kept in groups or harems of their own species. Do not house them with larger frog species that could eat them, nor other *Litoria* species to prevent cross-transmission of disease.
Health and Common Diseases: Due to their extremely permeable, fragile skin, they should never be handled with bare hands, as soap residues or skin oils can cause fatal toxicity. They are prone to snout-rub injuries if startled against the glass. Regular hygiene and clean water are vital to avoid bacterial skin infections.
Geographic Origin and Distribution
Strictly endemic to the swamps, reed beds, marshes, and flooded coastal scrublands of the eastern coast of Australia, ranging from Queensland to New South Wales. This tiny, cryptic frog lives clinging to tall grass stems, reeds, and papyrus, finding shelter from predatory wading birds and aquatic snakes.
Origin
North AmericaEurope, Mediterranean, and West AsiaAustralia, New Guinea, and Oceania
Amphibian profile
- Diet
- No verified data available
- Life expectancy
- No verified data available
- Adult size
- 2.5 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 2.5 cm. The AmphiBIO v1 source reports a maximum adult measurement of 2.5 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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