The POOL FROG is the smallest member of the waterfrog group in Hungary, it rarely exceeds a snout-vent length of 6-7 cm. Its colouration is widely various, usually greenish with brownish-green patches or stripes. During breeding season the male . Its belly is rarely patterned, it is usually pure white or bright snow-white. The thighs have yellow transversal strips in contrast to the Marsh Frog which has grayish-white stips. Their limbs are short, when the thighs are positioned perpendicularly to the body axis, the heels do not reach each other. Callus internus of the hind foot has a sharp edge, it is almost as big as that of the common spadefoot. During breeding season, the male changes its colour to bright neon yellow, greenish-yellow or golden green and develop nuptial pads of light colouration on the inner surface of its thumbs. Its paired vocal sacs are white.
Distibution map by our National Herpetological Mapping Program: