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AmphibianTerrestrialIntermediate
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Somali rubber frog
Phrynomantis somalicus
A rare microhylid frog adapted to the arid and seasonal climates of the Horn of Africa. Features smooth, rubber-like skin and toxic protective secretions.
Class:Amphibia
Order:Anura
Family:Microhylidae
Subfamily:Phrynomerinae
Genus:Phrynomantis
Species:Phrynomantis somalicus
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Environment
Terrestrial
Humidity
55 - 75 %
Day temperature
25 - 27 °C
Night temperature
20 °C
Ambient temperature
25 - 27 °C
Minimum enclosure
>= 45 L
UVB
Low
Species description
Geographical Origin and Habitat: Endemic to the arid and semi-arid regions of the Horn of Africa, with confirmed populations in southern Somalia and southern Ethiopia, and potential occurrences in Kenya. It inhabits dry savannas, arid grasslands, and xerophytic scrublands, relying on underground burrows, rock crevices, or termitaria to survive long dry spells.
Taxonomy and Genetics: Phrynomantis somalicus is a member of the Microhylidae family, genus Phrynomantis. Frogs in this genus are commonly called rubber frogs due to their smooth, flexible, rubbery skin texture. Genetic data is scarce because of the remote and unstable nature of their native habitat, but they share close evolutionary ties with Phrynomantis bifasciatus.
Behavior and Habits: Exhibits terrestrial and fossorial habits, remaining buried in the soil or hidden under rocks during the day. It emerges at night or during seasonal rains to forage and breed. Instead of jumping, it typically walks or runs. When threatened, it inflates its body and secretes a toxic, irritating skin substance to deter predators.
Morphology: Features a stout, robust body with a small head and a rounded snout. The limbs are short, lacking webbed feet, which is consistent with its terrestrial lifestyle. The skin is remarkably smooth, shiny, and rubbery. Coloration is dark brown or blackish, decorated with irregular red, orange, or greyish spots or bands across the dorsum.
Care, breeding and tankmates
Terrarium Setup: Requires a horizontally oriented terrarium measuring at least 60x40x40 cm (24x16x16 inches) for a small group. The substrate should be a mix of moist peat moss, coco coir, and clean sand, at least 8-10 cm deep to allow burrowing behavior. Provide plenty of hiding spots such as curved cork bark, flat stones, and artificial foliage.
Lighting and Heating: Does not require intense lighting; a low-wattage LED light is sufficient to maintain a 12-hour photoperiod. Heating should be supplied using a thermostat-controlled heat mat mounted on the side of the enclosure, maintaining a temperature gradient of 25-27°C (77-80°F) in the warm area and 21-22°C (70-72°F) in the cool zone.
Humidity and Hydration: Although native to dry regions, it requires humid microclimates inside its burrows. Maintain ambient humidity at 50-60%, raising it to 70-80% during simulated rainy periods. Provide a very shallow dish of dechlorinated water; these frogs absorb moisture through their skin and are poor swimmers.
Feeding and Supplementation: An insectivorous diet consisting of small live insects like crickets, roaches, fruit flies, and small mealworms. Feeder insects must be dusted with calcium and multivitamin supplements twice a week for juveniles and once a week for adults. Feed in the evening when they are active.
Compatibility: Best kept in a species-specific setup, either individually or in small groups of similar size. Due to their toxic skin secretions, they should never be housed with other amphibian or reptile species. Handling should be kept to a minimum and performed with disposable gloves to protect the frog's sensitive skin and prevent skin irritation.
Health and Common Diseases: Susceptible to bacterial and fungal skin infections (such as chytridiomycosis) if kept in unhygienic or overly wet substrates. Other risks include metabolic bone disease from lack of calcium supplementation and severe dehydration if the sub-surface moisture is not maintained.
Geographic Origin and Distribution
Endemic to the arid and semi-arid regions of the Horn of Africa, with confirmed populations in southern Somalia and southern Ethiopia, and potential occurrences in Kenya. It inhabits dry savannas, arid grasslands, and xerophytic scrublands, relying on underground burrows, rock crevices, or termitaria to survive long dry spells.
Origin
North AmericaAfrica and Madagascar
Amphibian profile
- Diet
- No verified data available
- Life expectancy
- No verified data available
- Adult size
- 4.1 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 4.1 cm. The AmphiBIO v1 source reports a maximum adult measurement of 4.1 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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