Its natural habitats are subtropical or tropical moist lowland forests and rivers.

It has finger disks as large as the eardrum; toes almost entirely webbed on outer half of toes; very weak sub-articular tubercles.

Dorsal surface smooth or finely bordered; belly and base of lower surface of thighs granulated; smooth throat; no chest crease.

Coloration is green above; sides, upper surface of thighs and hands and feet are colorless, with green dots or lattices; there is a white stripe below the eye to the corner of the mouth, with a white throat and belly.

[2] Litoria longicrus is part of the species-group L. bicolor, which was created to accommodate 7 species from the region that had characteristics in common.