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African Dwarf Frog
Hymenochirus boettgeri
The African Dwarf Frog is a tiny, fully aquatic, and highly active species. Long-lived and peaceful, it thrives in stable, warm water aquariums and relies on a strictly carnivorous, high-protein diet.
Class:Amphibia
Order:Anura
Family:Pipidae
Genus:Hymenochirus
Species:Hymenochirus boettgeri
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Water Temperature
22 - 28 °C
pH Value
6.5 - 7.8
Environment
Freshwater
Humidity
100 %
Day temperature
25 °C
Night temperature
21 °C
Ambient temperature
25 °C
Minimum enclosure
>= 45 L
UVB
None
Species description
Geographical Origin and Habitat: A fully aquatic, tiny, and gregarious frog species endemic to stagnant ponds, flooded forests, oxbow lakes, and slow-moving rivers of Central Africa and the Congo River basin (including the Democratic Republic of the Congo, Cameroon, and Nigeria). Known commonly as the African Dwarf Frog, it inhabits muddy substrates and submerged roots, sheltering from predatory fish and wading birds.
Taxonomy and Genetics: Belonging to the family Pipidae, *Hymenochirus boettgeri* is a miniature aquatic frog reaching an adult size of 3–4 cm. It is crucial not to confuse it with the African clawed frog (*Xenopus laevis*), which grows much larger and is highly predatory. The African Dwarf Frog features a flattened body, granular skin, and webbing on all four feet. The dorsal coloration varies from grey and brown to olive green, speckled with small black spots that provide excellent camouflage against sandy or muddy substrates. Small black claws are present on the hind toes.
Behavior and Habits: A peaceful, sluggish, and almost entirely aquatic species that spends its time on the bottom or swimming in the mid-water column. As they breathe atmospheric air, they must periodically dart to the surface for oxygen. They are nocturnal hunters with relatively poor eyesight, locating small aquatic prey by smell and tactile sensations.
Morphology: Sexual dimorphism becomes apparent in mature individuals. Females are generally larger, heavier, and rounder than males. Males are more slender and possess small, visible post-axillary subdermal glands (breeding glands) behind their front legs. During the breeding season, males may produce a quiet, buzzing click call underwater.
Care, breeding and tankmates
Terrarium Setup: Although categorized in the terrarium section, these are strictly aquatic frogs and require an aquarium (minimum 40–50 liters). The tank height should be moderate (under 30 cm) so they can easily reach the surface for air. The substrate must consist of very fine sand, as coarse gravel can be accidentally swallowed, causing fatal intestinal impaction. Provide dense live plants (such as Anubias and Java Fern) and driftwood to offer secure hiding spots. A slow, gentle filter (like a sponge filter or a low-flow hang-on-back filter) is essential, as strong currents will exhaust them.
Lighting and Heating: Maintain a stable water temperature between 24–26°C using a high-quality submersible heater equipped with a protective guard to prevent direct contact burns. They are highly sensitive to extreme temperatures: temperatures below 20°C cause severe lethargy and appetite loss, while temperatures exceeding 28°C can trigger bacterial infections. Moderate aquarium LED lighting is sufficient for both the frogs and plants.
Humidity and Hydration: As strictly aquatic organisms, their skin must remain submerged. Water quality is of paramount importance. Use dechlorinated tap water or a mix of reverse osmosis and tap water. The presence of chlorine, chloramines, or heavy metals is lethal. Regular weekly water changes of 20% and a mature biological filtration system are required to prevent ammonia and nitrite spikes.
Feeding and Supplementation: Strictly carnivorous with very small mouths. They must be fed live or frozen foods such as bloodworms, tubifex, brine shrimp, and daphnia, or specialized sinking micro-pellets. They will not eat standard fish flakes. Because they locate food via smell and touch, feed them in a designated spot or use long feeding tongs.
Compatibility: Exceptionally peaceful and highly social. They should be housed in small groups of 3 to 5 individuals. They can be kept in a community tank with small, peaceful, and non-aggressive fish (such as Neon Tetras, Corydoras, and Harlequin Rasboras). Avoid large or aggressive fish that could nip at their limbs or view them as prey.
Health and Common Diseases: Highly sensitive to water pollution; exposure to ammonia or nitrites frequently causes bloat (dropsy), a condition where the frog swells with fluid, which is often fatal. They are also vulnerable to fungal infections and chytridiomycosis. Avoid handling them; if necessary, wash hands thoroughly before and after, as residues on human skin can burn their semi-permeable membranes.
Geographic Origin and Distribution
A fully aquatic, tiny, and gregarious frog species endemic to stagnant ponds, flooded forests, oxbow lakes, and slow-moving rivers of Central Africa and the Congo River basin (including the Democratic Republic of the Congo, Cameroon, and Nigeria). Known commonly as the African Dwarf Frog, it inhabits muddy substrates and submerged roots, sheltering from predatory fish and wading birds.
Origin
Africa and Madagascar
Amphibian profile
- Diet
- No verified data available
- Life expectancy
- No verified data available
- Adult size
- 3.5 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 3.5 cm. The AmphiBIO v1 source reports a maximum adult measurement of 3.5 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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