It is most closely related to, and formerly confused with Limnonectes kuhlii.

Its name refers to the type locality in Fujian province of China.

It is also found in Hunan, Zhejiang, and Jiangxi in China as well as in Taiwan.

[3] Limnonectes fujianensis is a medium-sized frog, males being 54 mm (2.1 in) and females 48 mm (1.9 in) snout-vent length.

[3] Its natural habitats are moist lowland forests, moist montane forest, rivers, intermittent rivers, swamps, freshwater marshes, intermittent freshwater marshes, open excavations, and canals and ditches.