About Nyctixalus pictus (Peters, 1871)
Size
Nyctixalus pictus grows to approximately 35 mm (1.4 in) in snout–vent length, with males being slightly smaller than females.
Head and Limb Morphology
It has a pointed snout, a distinct tympanum, and long limbs.
Digit Structure
The tips of its fingers and toes are dilated into large discs; the fingers have no webbing, while the toes are only partly webbed.
Coloration
Its body is colored brown or reddish brown, with spots ranging from white to yellow across its surface.
Geographic Distribution
This species is distributed across the Malay Peninsula, extending from extreme southern Thailand through Peninsular Malaysia to Singapore, as well as Sumatra (Indonesia), Borneo (Brunei, Malaysia, and Indonesia), and the Philippines.
Habitat Type
It inhabits the shrub and lower tree layers of primary and secondary forests.
Elevation Range
It is generally found at elevations below 700 m (2,300 ft), though it can occur up to 1,650 m (5,410 ft) on Borneo.
Tadpole Development Habitat
Its tadpoles develop in water-filled cavities in trees, including phytotelms, and in rotting logs.
Population Status
Nyctixalus pictus has a widespread distribution but is an uncommon species.
Threats
Its populations are threatened by habitat loss caused by forest clearing for agriculture and logging.
Protected Area Overlap
Its range overlaps with several protected areas.
Singapore Distribution
In Singapore, this species is only found within the Bukit Timah and Central Catchment Nature Reserves.