Łegi Odrzanskie, Poland, by Alek Halczuk (Poland)

Assessed by: Alexey Malyshev and Gireg Allain (AquaMag)

Łegi says: “The 288-litres biotope aquarium shows a fragment of the floodplain of the Odra River. Above the water, there is lush marsh vegetation — mainly species of the Carex genus. The fish swim among the visible roots and sunken grasses. The gentle movement of the water ensures the right amount of oxygen.”