Microhyla palmipes is a very small frog; it typically has a snout-vent length of 18 mm. The head and mouth are small. There is a small rounded tubercle on the upper eyelid, but otherwise this frog has smooth skin. Its fingers and toes have dilated but small tips, and circum-marginal grooves. The toes are 2/3 to 3/4 webbed. This species is brown in color, with a double arrowhead pattern on the back, and darker, blackish sides.
The tadpole is black in color, with transparent tail fins. The tail is pointed but does not end in a filament. Eyes are located on the sides of the head. The spiracle is medial and covered with a sheet of skin.
This species is sometimes confused with M. annectens.
The palmated chorus frog (Microhyla palmipes) is a species of frog in the family Microhylidae. It is found in Indonesia and Malaysia. Its natural habitats are subtropical or tropical moist lowland forests, rivers, and freshwater marshes. It is not considered threatened by the IUCN.
The palmated chorus frog is a very small species measuring about 18 mm (0.7 in) from snout to vent. It has a relatively small head with a rounded tubercle on its upper eyelid but apart from this its skin is smooth. Its digits have slightly enlarged tips and are partially webbed. The dorsal surface of this frog is pale greyish-brown with a central double arrowhead pattern of darker brown and dark, blackish sides. The tadpole is black with transparent fins on its tail which has a pointed end. Its eyes are located on the sides of its head and the spiracle is central and sheathed with a flap of skin.
This frog is known from several widely separated locations in Malaysia. These include the Batu Caves, the Taman Negara National Park, and the Sekayu waterfalls in Trengganu-Berry. It is also found in Sumatra, Nias, Java, Madura and Bali. Its distribution within Indonesia is fragmented. Its habitat is among grasses in marshy land at altitudes of up to 1,500 metres (4,900 ft) and in forests and forest fringes. It breeds in slow-flowing streams and stagnant water.
This frog has a wide range and although the population seems to be declining, the IUCN rates it as being of "Least Concern" as it considers that the rate of decline is insufficient to justify listing it in a more threatened category. It is common in some parts of its range but is inconspicuous because of its small size and no particular threats to this species have been identified apart from some degradation of its forest habitat.
This species occurs in Malaysia and Indonesia. Within Indonesia it occurs in Sumatra, Nias, and Bali. It prefers to live in the grass in wet marshes, generally at higher altitudes of up to 1500 m, but it has also been found in lowlands.
Adults of this species primarily feed on ants and termites.