Other Names (How it Got Its Names) Common names: Vietnamese Mossy Frog, Tonkin Bug-Eyed Frog. Named for its moss-like skin texture and green-black mottling, which camouflages it perfectly against rocks and vegetation. Native to northern Vietnam, where it inhabits rocky streams and caves. Characteristics Medium-sized frog with a bumpy, irregular skin texture that mimics moss. Nocturnal and semi-aquatic, spending time both in water and perched on rocks. Shy by day, but more active at night. Recommended Vivarium Size Minimum: 18” x 18” x 18” for a pair. Semi-aquatic setup with a large water section and rocky land area is ideal. Provide cork bark, rocks, and shaded hiding places. Temperature Daytime: 70–75°F (21–24°C). Nighttime: 65–70°F (18–21°C). Cooler-loving frog compared to most tropical tree frogs. Humidity 60–80%, with misting 1–2 times daily. Prefers high humidity but with good ventilation. Size of Frog Adults: 2.5–3.5 inches (6–9 cm). Life Span 10–15 years in captivity with proper care. Feeding Diet: crickets, roaches, earthworms, and other appropriately sized insects. Feed 3–4 times weekly. Dust prey with calcium and vitamins regularly. Color/Pattern Dark green-and-black mottled body with raised, spiky tubercles resembling moss. Large, protruding eyes with marbled patterns. Exceptional camouflage when resting against mossy or rocky backgrounds. Social Behavior Can be housed in pairs or small groups if enclosure is spacious. Generally peaceful, but provide multiple hides to reduce stress. Loud, barking call at night, especially males during breeding season. How to Determine Sex Males: slightly smaller, develop rougher nuptial pads, and produce loud calls. Females: larger, fuller-bodied, especially when gravid. How to Breed Requires a large, semi-aquatic enclosure with a significant water section. Males call at night to attract females. Eggs are laid above water on rocks, moss, or the sides of the enclosure. Upon hatching, tadpoles drop into the water below and develop fully aquatic until metamorphosis. 🌿 The Vietnamese Mossy Frog is prized for its incredible camouflage and unique semi-aquatic lifestyle — making it both a display gem and a fascinating species to observe.
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