Minervarya charlesdarwini, Charles darwin's frog
Minervarya charlesdarwini (vernacular name: Charles Darwin's frog) is a species of frogs in the family Dicroglossidae. It is endemic to the Andaman Islands, India, and is known from the South Andaman Island, Long Island, and North Andaman Island.
Adult males measure 25–29 mm (1.0–1.1 in) and adult females 29–38 mm (1.1–1.5 in) in snout–vent length. The snout is rounded and has a blunt tip. The tympanum is distinct and exposed; the supra-tympanic fold is well-developed and forms a thick, fleshy ridge. The fingers have no webbing whereas the toes are partially webbed. The finger and toe tips bear swollen discs, without circum-marginal grooves. Skin has minute granules scattered all over the dorsum; the venter is smooth. Colouration is variable with three different morphs:
