Leptolalax melicus  Leptolalax melicus (Appleby's Asian toad) is a frog species in the family Megophryidae. It is endemic to Cambodia where it is only known from near its type locality, Virachey National Park, Ratanakiri Province; it is expected to have a wider distribution that may reach Laos and Vietnam. "Leptolalax melicus" have only been found near rocky streams in evergreen forest between altitude. "Leptolalax melicus" is a small species even among the generally small "Leptolalax": seven adult males were recorded to measure in snout-vent length. It is morphologically similar to "Leptolalax applebyi". The advertisement call of male "Leptolalax melicus" is unique, consisting of a single long introductory note containing 8–50 pulses, followed by 3–11 predominantly single-pulsed notes.