Ninth piece of the series devoted to colorful creatures. This series of 12 pieces illustrated by animals will be issued to the rhythm of a room every quarters during the years 2016 to 2019. Partially colored, these pieces have the particularity of being luminescent in the dark, just like certain species Nocturnes, the animals on these twelve pieces become active at night by creating a light effect.

- The internal part of the room represents a frog on a reed rod with a natural habitat swamp of the frog in the background. In the lower part, the inscription "Frosch" (frog) and the 2018 vintage.

The reverse is a composition common to this series with a representation of the 12 animals of this series La Chauve-Souris, the Tiger, the Crocodile, the Martin-Fisher, the Wolf, the Parrot, the Shark, the owl, the frog, the turtle, otter and crayfish. Between animals, stylized representations of the flora and the name of the emitting country "Republik Osterreich" and the nominal value 3 Euro.

Green Rainettes: exclusively present in Europe and the Middle East, they are equipped with adhesive balls at their fingertips allowing them an arboreal lifestyle (in Europe, the raines are the only European amphibians to have this climber lifestyle) .