Fauna
Amphibian

Limnonectes modestus

Limnonectes modestus

Also known as Modest Fanged Frog, Sulawesi Fanged Frog

Limnonectes modestus is a small fanged frog endemic to the humid rainforests and montane streams of Sulawesi. Adult males possess pair-like bony projections resembling fangs on their lower jaw, which they use during territorial wrestling bouts along gravel banks. Nocturnal and secretive, these frogs spend daytime hours sheltering beneath wet boulders and emerged root masses before emerging at dusk to ambush passing invertebrates.

NocturnalAmphibianEndemic
—observations
—countries
—peak records
Least ConcernConservation statusIUCN Red List categoriesLCNTVUENCREWEXLeast ConcernRed List categories, explained →
Diet & preyMayfly larvae, Spiders, Small beetles
Predators
  • Keelback snakes
  • Malayan civets
  • Kingfishers
ThreatsDeforestation from logging and agriculture, stream siltation
HabitatsSubtropical and tropical moist lowland and montane forests, rocky streams
Life span4–8 years
  1. FamilyDicroglossidae
  2. SpeciesLimnonectes modestus
Range data is not available yet.
Interaction riskLow
  1. Low
  2. Moderate
  3. High
  4. Very high
Why interaction risk is low
Harmless to humans; safe to observe from a normal distance.
Responsible observation
  • Stream scanning: Search clear, rocky forest streams at night using a headlamp to detect reflective eye-shine.
  • Quiet approach: Move slowly along gravel banks, as vibrations through water and rock trigger sudden dives.
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