Sky-blue Poison Frog
Hyloxalus azureiventris
A dark-bodied poison frog adorned with yellow lateral stripes and a striking sky-blue belly mottled with black. Active, highly vocal, and territorial.
Environment
Terrestrial
Humidity
85 - 95 %
Day temperature
22 - 25 °C
Night temperature
18 - 20 °C
UVB
Low
Species description
Geographical Origin and Habitat: Endemic to the humid low- and mid-elevation rainforests of the Peruvian Andes, specifically in the San Martín region. It is a terrestrial species that thrives in wet leaf litter, ferns, and forest debris near small streams.
Taxonomy and Genetics: A member of the Dendrobatidae family, commonly known as the Sky-blue Poison Frog. Previously classified under the genera Ameerega and Cryptophyllobates, it is distinguished by its unique morphology and prolonged trilling call.
Behavior and Habits: Diurnal, bold, and highly active. Males are extremely vocal, defending their territory with a continuous metallic trilling sound to attract females. Males display active parental care, carrying tadpoles on their backs to water-filled plant axils.
Morphology: A small species reaching 2.5-3 cm in length. Mature females are noticeably rounder and wider than males. Males are slimmer and possess slightly elongated digits on their front feet.
Care, breeding and tankmates
Terrarium Setup: Requires a horizontal or cubic bioactive terrarium (minimum 60x45x45 cm) heavily planted and covered with a thick layer of leaf litter. Provide hiding spots such as coconut huts and pieces of cork bark on the substrate.
Lighting and Heating: Maintain daytime temperatures between 24 and 25°C. Temperatures above 28°C are dangerous and can be fatal. Ensure a night temperature drop to 21°C. Provide LED plant lighting and low-intensity 5% UVB lighting.
Humidity and Hydration: High humidity (80-90%) is required, achieved through regular misting with RO or declorinated water. Good ventilation is critical to ensure fresh air flow and prevent bacterial skin infections.
Feeding and Supplementation: Feed daily with small live insects such as flightless fruit flies (Drosophila melanogaster and hydei), springtails, and dwarf isopods. Dust all prey items with high-quality calcium and vitamin D3 powder.
Compatibility: Can be housed in small groups or harems if the enclosure is large enough. Minimal intra-species aggression occurs. Do not mix with other poison frog species to prevent stress and disease transmission.
Health and Common Diseases: Never handle with bare hands due to skin sensitivity and osmotic stress. Prone to snout-rubbing injuries if stressed, and bacterial septicemia (Red Leg syndrome) under poor sanitary conditions.
Geographic Origin and Distribution
Endemic to the humid low- and mid-elevation rainforests of the Peruvian Andes, specifically in the San Martín region. It is a terrestrial species that thrives in wet leaf litter, ferns, and forest debris near small streams.
Origin
Extra-Amazon South America
Amphibian profile
- Diet
- Insectivore
- Eat bugs. Feed daily. Add vitamins.
- Life expectancy
- 8-10 years
- With proper care, the indicative life expectancy is 8-10 years.
- Adult size
- 3 cm
- The catalog's scalar value is 3 cm. The AmphiBIO v1 source reports a maximum adult measurement of 2.75 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.
- Lifestyle/Microhabitat
- Terrestrial
- Need high humidity. Forage constantly. Stable temps.
- Activity cycle
- Diurnal
- Strictly diurnal. Morning peaks. 12h cycle.
- Sociality
- Solitary
- Very active. Males defend. Add barriers.
- Reproduction
- Oviparous
- Breed in rain. Males call. Tads swim.
- Toxicity
- Harmless
- The Hyloxalus azureiventris is known to possess mild skin toxins in the wild, which provide a basic level of defense against natural predators. Like other dart frogs, they derive these defensive compounds from their wild insect diet, meaning captive-bred specimens are completely non-toxic. While they pose no danger to humans, their skin remains incredibly sensitive to environmental contaminants. Always wash your hands thoroughly and use powder-free gloves if contact is necessary. This ensures that no harmful residues are transferred to the amphibian during routine maintenance.
- Life stage
- For Hyloxalus azureiventris, the life cycle begins with a small clutch of eggs laid in a dark, humid terrestrial or phytotelm (plant water) location. Once the eggs develop and hatch, the resulting tadpoles are meticulously transported on the back of a parent to a suitable rearing pool. The tadpoles develop in these small bodies of water over the course of two to three months. Following metamorphosis, tiny, fully-formed froglets emerge onto land, requiring consistently high humidity to survive. These froglets are extremely small and must be fed large quantities of microscopic prey, such as springtails, until they grow larger.
- Handling tolerance
- Display only
- Handling of Hyloxalus azureiventris should be strictly avoided unless absolutely necessary for health inspections or transferring enclosures. Like all amphibians, they possess highly permeable, sensitive skin that quickly absorbs toxins, salts, and oils from human hands, which can be fatal. If a transfer is required, the safest and least stressful method is to gently coax the frog into a clean plastic catch cup rather than using your hands. If physical contact is entirely unavoidable, you must wear powder-free nitrile gloves thoroughly moistened with dechlorinated water. Even then, the interaction should be kept as brief as possible to minimize the severe physiological stress handling causes.
- Brumation
- Not required
- Originating from consistent tropical or subtropical environments, the Hyloxalus azureiventris does not undergo a true brumation period. In their natural habitat, they experience relatively stable temperatures year-round, with environmental shifts primarily driven by wet and dry seasons rather than extreme cold. In captivity, it is critical to maintain steady, optimal temperatures and high humidity levels throughout the entire year. Exposing these amphibians to significant temperature drops can severely compromise their immune system and lead to respiratory or digestive failures. While a slight reduction in humidity and a few degrees of temperature drop can simulate a dry season to cycle breeders, severe cooling must be completely avoided.
- Molting
- Periodic
- Like all amphibians, the Hyloxalus azureiventris undergoes a regular molting process to shed its outer layer of skin as it grows and to maintain skin health. This shedding process occurs frequently but is usually very rapid and highly secretive, meaning keepers rarely witness it occurring. The frog will typically contort its body, repeatedly open and close its mouth, and use its limbs to push the loosened skin forward over its head. Once the shed is removed, the frog will almost always consume the old skin to recycle valuable nutrients and proteins. Maintaining ideal humidity levels in the terrarium is paramount, as dry conditions can cause the skin to adhere, leading to deadly infections or restricted blood flow.
Image gallery
Licensed images linked to the species or, when marked, to the closest representative taxon.
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