Njao Mountain Frog
Choerophryne proboscidea
A specialized microhylid frog (1.8 cm) native to New Guinea (Mount Njao, northern Papua). Characterized by its characteristic elongated, fleshy, snout-like proboscis on its nose and fossorial, leaf-litter dwelling habits.
Environnement
Terrestre
Humidité
80 - 95 %
Température diurne
20 °C
Température nocturne
16 °C
Température ambiante
20 °C
Enclos minimal
>= 45 L
Description de l'espèce
Geographical Origin and Habitat: Native to New Guinea (Mount Njao, northern Papua). It primarily occurs among mosses and wet leaf litter of montane cloud forests on Mount Njao. It lives mostly concealed within leaf litter or burrowed inside moist soils.
Taxonomy and Genetics: Belongs to the Microhylidae family, genus Choerophryne. This group consists of narrow-mouthed frogs highly adapted to specific fossorial or semi-arboreal microhabitats.
Behavior and Habits: Primarily nocturnal and secretive. It spends the daytime hours buried under the substrate or hidden beneath leaf litter, emerging to forage and breed during heavy seasonal rains.
Morphology: Features a plump, rounded body reaching about 1.8 cm. Skin texture ranges from smooth to warty with cryptic colors. Males are smaller than females and exhibit distinct vocal sacs during the breeding season.
Soins, reproduction et cohabitation
Terrarium Setup: Provide a horizontal terrarium with a deep (10-15 cm) layer of loose, damp substrate such as coconut fiber and sterile peat moss. Add cork bark hides, dry leaves, and flat shelters to create shaded spots.
Lighting and Heating: Maintain daytime temperatures around 20.0°C and night temperatures at 16.0°C. Provide a 12-hour light cycle; a low-intensity UVB source is recommended to support general health.
Humidity and Hydration: Maintain relative humidity between 80.0% and 95.0%. Mist regularly with dechlorinated water and supply a very shallow water dish to prevent drowning risks.
Feeding and Supplementation: Strictly insectivorous. Offer gutloaded crickets, roaches, fruit flies, and small worms. Dust prey with high-quality calcium and vitamin D3 twice a week to support skeletal structure.
Compatibility: Best kept in a species-specific setup. Small groups of similar size can cohabitate, avoiding competition or accidental cannibalism.
Health and Common Diseases: Highly susceptible to bacterial skin infections (red leg disease) if ventilation is poor or the substrate is soiled. Regularly check skin condition and hydration levels.
Origine et répartition géographiques
Native to New Guinea (Mount Njao, northern Papua). It primarily occurs among mosses and wet leaf litter of montane cloud forests on Mount Njao. It lives mostly concealed within leaf litter or burrowed inside moist soils.
Origine
Afrique et MadagascarAustralie, Nouvelle-Guinée et Océanie
Profil d'amphibien
- Régime alimentaire
- Insectivore
- This tiny frog specializes in capturing minute invertebrates such as mites, springtails, and small ants. Its diminutive size limits the prey it can swallow, requiring it to forage constantly in the leaf litter. A sticky, rapid tongue helps it snatch agile micro-arthropods effectively.
- Espérance de vie
- 2-5 years
- Taille adulte
- 1.5 cm
- Mode de vie/microhabitat
- Terrestrial
- They are predominantly terrestrial, living on the forest floor and navigating through dense leaf litter and ground vegetation.
- Cycle d'activité
- Nocturnal
- This species is primarily nocturnal, remaining hidden during the day in leaf litter or burrows and emerging at night to forage for food.
- Sociabilité
- Solitary
- A highly cryptic frog, it utilizes the dense moss and decaying leaves of the mountain forest for cover. Males produce series of rapid, high-pitched clicks to signal their territories. It is mostly active at night during periods of high humidity.
- Reproduction
- Oviparous
- It exhibits direct development, laying small clutches of eggs in hidden, damp terrestrial microhabitats. The embryos develop directly inside the egg capsule without a larval aquatic stage. They eventually hatch as fully functioning, incredibly tiny froglets.
- Toxicité
- Toxic
- This species is completely harmless and lacks any venomous or toxic properties. It evades predation primarily by passing completely unnoticed on the forest floor. Its small body size makes it an unrewarding meal for most larger predators.
- Stade de vie
- Adult only
- It bypasses the tadpole stage entirely, hatching directly as a miniature version of the adult. It reaches sexual maturity at a very small size. Throughout its life, it maintains a strictly terrestrial existence.
- Tolérance aux manipulations
- Display only
- Due to their sensitive skin and potential stress from handling, they should be considered a display-only species.
- Brumation
- Non requise
- They do not require a brumation period, maintaining a steady metabolic rate year-round in their native tropical habitats.
- Mue
- Periodic
- Shedding occurs periodically and is facilitated by high environmental humidity; the shed skin is typically consumed immediately by the animal.
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