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The Green Flying Frog (Rhacophorus reinwardtii)

Synonyms and names in other languages

The Reinwardt's tree frog, black-webbed treefrog

Der Java-Flugfrosch (German)

La rana de telaraña negra (Spanish)


Order: anura

Family: rhacophoridae

Genus: rhacophorus

Species: rhacophorus reinwardtii


The green flying frog is native to subtropical and tropical moist forests and freshwater marshes in Java, Sumatra, Malaysia, Thailand, Laos, Vietnam and China.


Females are considerably bigger than males: they reach the length of 5.5 – 8 cm whereas males rarely get longer than 4.5 – 5.5. cm.

The lower part of the body is emerald green with small dark spots. The flanks are golden orange, the throat and the legs are yellow-orange, the belly is white. Young frogs have large black and turquoise spots under their legs.  Toes on front feet and hind feet have turquoise colored webs, and there are bright orange pads at the end of toes. In adult frogs webs and space under legs becomes orange.

Their eyes can be green, yellow or grey, with horizontal pupils. The heel has a wide, rounded flap and continues as a narrow fringe along the lower leg.

The call of green flying frogs reminds of low screeching laughter. 


It is an arboreal and nocturnal species.

In the wild these frogs have quite good eyesight and watch around. They hunt for insects and smaller invertebrates living on trees. In order to get food, they can glide from one tree to another. During the “flight” the frog inflates its body, spreads its toes and glides from one branch to another. The representatives of this species don’t have a single rib.

Their bodies hold the moisture very well, that’s why they don’t hide in the water even during the dry season. 

Housing and Care

Green flying frogs are easy to care for. You will need a middle-sized tank (40x40x30 cm). Real plants with wide leaves are a must (these frogs don’t break them). The ideal ambient temperature is around 24-25 degrees at night and about 18-20 degrees at daytime.

You will have to mist the tank daily to maintain the humidity level.


These frogs are fed with medium-sized insects: young crickets and cockroaches. It is not recommended to feed them with hard-shelled insects with rough wings, it can injure their intestines and lead to the amphibian’s death.



This species is prone to infections. Epizootic outbreaks that lead to the extinction of colonies occur if housing conditions change abruptly or under improper husbandry (unclean water, high temperature etc.). One of the early symptoms that help to diagnose the disease is the cloudiness of conjunctiva.  

Average life span is about 4 years.


The mating season lasts from January to August. Prior to laying eggs, a female sits down on a branch above the water and emits thick slime from cloacae which it beats with hind feet until it transforms into foam. This foam will protect the eggs from drying. Typically a female lays from 4 to 100 eggs. Tadpoles wait in the foam “nest” until the first strong rain comes. It washes them into the closest water body where they stay until metamorphosis. 

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