Zhangixalus prasinatus (common names: tributary flying frog, green treefrog, emerald green treefrog) is a species of frog in the family Rhacophoridae endemic to northern Taiwan. It is the largest tree frog in Taiwan; females can reach in snout-vent length. It is known from Taipei, Yilan, and Taoyuan. Its habitats are orchards, tea plantations, bamboo forests, shrublands, and forests in hilly areas. Breeding takes place in tree holes, but also in cisterns, buckets, or water tanks. It is threatened by habitat loss and degradation. See also List of protected species in Taiwan List of endemic species of Taiwan References prasinatus Amphibians of Taiwan Endemic fauna of Taiwan Amphibians described in 1983 Taxonomy articles created by Polbot Taxa named by Kuang-yang Lue