[1] It is closely related to the eastern golden frog, P. plancyi, and was long considered a subspecies thereof.

[2] Adult Seoul frogs are roughly 6 centimeters in length.

The back is bright green and bumpy, with patches of light brown; the belly is yellowish-red.

[3] The Seoul frog is found in ponds and rice paddies, but has been declining sharply, probably due to habitat degradation.

[3] The Seoul frog is listed as an "Endangered category II species" in South Korea.