The Pool Frog is one of the three very similar kinds of Pelophylax. The complex reproductive behaviour of the three forms makes it difficult to distinguish them. Pool Frogs often display a light green colouring and reach a maximum size of 7cm.
Pool Frogs, like any other Pelophylax, mainly reside close to water bodies - bogs or bodies of water within a forest being their favourites. For reproduction they prefer smaller, sunlit water bodies rich in vegetation but poor in nutrients. Because of the difficulties in determining the species, relatively little can be said about the Pool Frog's dispersal and population development. Their preference for rare and receding types of water bodies suggests that there is a considerable threat to their existence.