Indonesian big-eyed tree frog

The Indonesian big-eyed tree frog ("Nyctimystes fluviatilis") is frog from southeastern Papua New Guinea. It was first found by western scientists when they were camping by the Idenburg River. The scientists who saw it were camping 50 meters above sea level. Later, it was also found by the Wapoga River in West Sepik Province.
The frog is about 50 mm long from nose to rear end. Its front feet are about half webbed and its hind feet have more webbing. When dead and preserved, this frog is light brown with darker spots and some dark stripes on its legs.