Painted Indonesian Treefrog

Fascinating facts about the Painted Indonesian Treefrog

• A tiny 35 mm adult, about the length of a pea, can be found from southern Thailand to the Philippines.
• In Borneo this treefrog can live up to 1,650 m (5,410 ft) above sea level, yet most of its homes stay below 700 m (2,300 ft), highlighting its flexibility from lowland rainforests to cooler mountain slopes.
• The frog’s toes are partially webbed and its fingers end in large discs without webbing.
• Its tadpoles develop in arboreal water-filled cavities, including phytotelms and rotting logs.
• Although its range includes several protected reserves, the species is still uncommon and faces loss from agriculture and logging, reminding us that even widespread amphibians can disappear without intact forest canopies.

At a glance

About the Painted Indonesian Treefrog

The painted Indonesian treefrog, Nyctixalus pictus, is a diminutive marvel of the Southeast Asian canopy, measuring just about 35 mm (1.4 in) from snout to vent, with females edging slightly larger than the males. Its pointed snout and distinct tympanum give it a sharp profile, while the long limbs end in enlarged discs that cling to bark and leaves. The frog’s skin is a canvas of brown or reddish-brown, splashed with striking white to yellow spots that seem painted on, a coloration that blends seamlessly with the dappled light of the shrub and lower tree layers where it lives. Though its fingers lack webbing, the partially webbed toes aid in navigating the moist microhabitats of primary and secondary forests below 700 m (2,300 ft), reaching up to 1,650 m (5,410 ft) in Borneo. In a surprising twist, its tadpoles develop not in streams but in arboreal water-filled cavities, phytotelms and rotting logs, turning the forest’s hidden reservoirs into nurseries. This unique reproductive strategy ties the species tightly to the health of forest structure, making each leaf-filled hollow a critical cradle for the next generation, and drawing the observer’s eye upward into the forest’s secret world.

More other animals to discover

Browse Feravox