Weinland's Marsupial Frog

The adult male frog measures 63.0 to 85.7 mm in snout-vent length and the adult female 68.4 to 86.0 mm. The frogs in different subpopulations can vary considerably in color pattern: Frogs in Sucumbíos are brown with olive-brown marks and yellow pigmentation on their sides. These frogs have light yellow color on their mouths. The sides of the head are olive-green. The throat and ventral areas are white or cream in color. The iris of the eye is pink-bronze in color with brown lines. The frogs in Napo are brown in color with darker brown or gray-brown marks. The head is dark brown in color. The sides are dark brown with cream-brown marks. The bottoms of the feet are blue in color with brown marks. The belly is lighter in color with brown marks. The iris of the eye is dark in color. Frogs in Morona Santiago are gray-green in color with brown marks. The belly is mottled brown and green. The bottoms of the feet are brown in color. The head is yellow-green in color. The iris of the eye has brown reticulations. The young frogs are green with olive-brown color. The head has brown marks. The belly is translucent yellow-green. The iris of the eye is bronze in color with black reticulations.

Like other species in Gastrotheca, the female frog carries her eggs in a pouch on her back. The eggs hatch into small froglets. There is no free-swimming tadpole stage.