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Artistdetailed ink mixed watercolor cinematic wildlife artwork of the Sri Lanka Green-bellied Frog (Indirana brachytarsus) resting on a moss-covered rock beside a crystal-clear rainforest stream. Its small olive-green body blends perfectly with wet moss and emerald vegetation, while tiny water droplets sparkle across its skin. Dense Sri Lankan rainforest surrounds the stream, with ferns, roots, mist, and filtered sunlight piercing through the canopy. Flowing water creates soft reflections and motion in the background. Mood: fragile beauty, hidden rainforest life, conservation awareness. Ink mixed watercolor amphibian anatomy, extreme ink macro detail, atmospheric lighting, shallow depth of field, vibrant greens, 8K wildlife fine watercolor art, National Geographic quality, masterpiece nature illustration.
Sri Lanka Green-bellied Frog - Indirana brachytarsus
Overview
The Sri Lanka Green-bellied Frog is a small, agile amphibian associated with the cool, fast-flowing streams of Sri Lanka's wet-zone forests. Perfectly adapted to life in damp environments, it spends much of its time among moss-covered rocks, leaf litter, and streamside vegetation.
Like many amphibians, this frog is highly sensitive to environmental changes, making it an important indicator of ecosystem health. When frog populations decline, it is often an early warning sign that something is wrong with the habitat.
Scientific Details
Scientific Name: Indirana brachytarsus
Common Name: Sri Lanka Green-bellied Frog
Class: Amphibia
Size: Approximately 3–4 cm
Diet: Insects and other small invertebrates
Conservation Status: Endangered
Habitat & Range
This species is closely tied to wet-zone rainforest streams.
It is typically found in:
Mountain and lowland rainforest streams
Moss-covered rocks
Stream banks and damp forest floors
Dense vegetation near flowing water
Humid rainforest environments
The frog depends on clean water and stable moisture levels, making it vulnerable when forests are disturbed.
Appearance
The Sri Lanka Green-bellied Frog is small but beautifully adapted to its surroundings.
Key features include:
Greenish to olive-brown upper body
Pale to green-tinted underside
Moist, smooth skin
Long hind legs for jumping
Large alert eyes
Excellent camouflage among moss and wet leaves
Its coloration helps it disappear into the rainforest environment, protecting it from predators.
Behavior & Abilities
This frog is most active during:
Rainy weather
Humid evenings
Early morning hours
Notable abilities include:
Powerful jumping ability
Excellent camouflage
Rapid escape into vegetation
Strong climbing and gripping skills on wet surfaces
When threatened, it can quickly leap between rocks and vanish into surrounding foliage.
Diet
The Sri Lanka Green-bellied Frog is an important insect predator.
Its diet includes:
Ants
Beetles
Flies
Mosquitoes
Small spiders
Other tiny invertebrates
By consuming large numbers of insects, it helps maintain ecological balance within rainforest ecosystems.
Reproduction
Breeding is closely linked to rainfall and stream habitats.
During the breeding season:
Males call to attract females
Eggs are laid in moist locations near water
Tadpoles develop in stream environments
Young frogs gradually adapt to life on land
Healthy streams are essential for successful reproduction.
⚠ Threats
Although small and hidden, this frog faces serious challenges.
Major Threats
Deforestation
Destruction of rainforest stream habitats
Water pollution
Agricultural runoff
Climate change
Habitat fragmentation
Even slight changes in water quality can negatively affect amphibian populations.
2026 Aug 13
