Silhouettes of the various marine animals in the series.
Obverse script
Latin
Obverse lettering
REPUBLIK
ÖSTERREICH
3 EURO
Reverse description
The devil scorpionfish is shown with one of its front fins protruding from the porthole frame. Corals, rocks and a small school of fish can be seen in the background. Under the effect of UV rays, the devil scorpionfish changes color: from light brown to brownish red, it turns red.