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Emerald Glass Frog
Espadarana prosoblepon
Emerald Glass Frog. Famous for the distinct humeral spurs on the arms of males. Emerald green with dark speckles and a transparent belly exposing its internal organs.
Class:Amphibia
Order:Anura
Family:Centrolenidae
Genus:Espadarana
Species:Espadarana prosoblepon
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Environment
Terrestrial
Humidity
80 - 100 %
Day temperature
22 - 26 °C
Night temperature
19 - 22 °C
UVB
Low
Species description
Geographical Origin and Habitat: Inhabits the dense, humid montane and premontane rainforests of Central America and northwestern South America (from Honduras and Nicaragua south to Colombia and Ecuador). They live in lush vegetation and large leaves directly overhanging fast-flowing mountain streams.
Taxonomy and Genetics: Belongs to the Centrolenidae family (glass frogs). Exhibit a striking emerald green dorsum with small dark spots. The ventral skin is completely transparent (hyaline), revealing the beating heart, liver, and digestive tract. Listed under CITES and highly prized by experienced keepers.
Behavior and Habits: Nocturnal and arboreal. During the day, they rest in absolute camouflage on the undersides of wet leaves. At night, they become active hunters and climbers. Males are highly territorial, fighting intensely with rivals and calling with a metallic "tick" to attract females. Eggs are laid in gelatinous clutches on leaves overhanging water.
Morphology: A miniature species, adults measure 2.5–3.5 cm in length. Dorso-ventral coloration is similar, but males possess sharp, osseous humeral spurs on their upper arms used in territorial wrestling. Gravid females can easily be identified by the visible eggs inside their transparent bellies.
Care, breeding and tankmates
Terrarium Setup: Requires a tall, vertical arboreal terrarium (minimum 45x45x60 cm). Decorate with plenty of thin branches and large-leaved live plants (such as Philodendron, Monstera, and Anthurium) for sleeping sites. A shallow water area at the bottom mimicking a stream is highly beneficial.
Lighting and Heating: Prefer a daytime range of 25–27°C. High heat without ventilation is fatal; use air conditioning during hot summer months. Provide a night drop to 21–23°C. Low UVB (5%) is highly recommended to support calcium absorption and prevent metabolic bone disease.
Humidity and Hydration: Maintain high humidity of 80–90%. Excellent ventilation (using small fans if necessary) is mandatory to prevent stagnant air and skin diseases like Red Leg disease. Mist daily with reverse osmosis water.
Feeding and Supplementation: Strictly insectivorous. Feed small live insects such as fruit flies, pinhead crickets, and small roaches. Dust prey with high-quality calcium and vitamin D3 supplements three times a week.
Compatibility: Males are highly territorial. Do not house multiple males together in a small terrarium as they will fight and injure each other with their humeral spurs. Females can be kept together peacefully.
Health and Common Diseases: Extremely delicate. Never handle with bare hands; chemical residues, soap, and skin oils can cause rapid poisoning. Provide a quiet, stress-free environment to prevent impact injuries from panicky jumps against the glass.
Geographic Origin and Distribution
Inhabits the dense, humid montane and premontane rainforests of Central America and northwestern South America (from Honduras and Nicaragua south to Colombia and Ecuador). They live in lush vegetation and large leaves directly overhanging fast-flowing mountain streams.
Origin
Extra-Amazon South AmericaCentral America and CaribbeanNorth America
Amphibian profile
- Diet
- No verified data available
- Life expectancy
- No verified data available
- Adult size
- 3.1 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 3.1 cm. The AmphiBIO v1 source reports a maximum adult measurement of 3.1 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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