![Balon's Ruffe, Danube Ruffe (Gymnocephalus baloni), above pebbles, Germany, Niederbayern, Lower Bavaria, Danube Stock Photo - Alamy Balon's Ruffe, Danube Ruffe (Gymnocephalus baloni), above pebbles, Germany, Niederbayern, Lower Bavaria, Danube Stock Photo - Alamy](https://c8.alamy.com/comp/CNR8E0/balons-ruffe-danube-ruffe-gymnocephalus-baloni-above-pebbles-germany-CNR8E0.jpg)
Balon's Ruffe, Danube Ruffe (Gymnocephalus baloni), above pebbles, Germany, Niederbayern, Lower Bavaria, Danube Stock Photo - Alamy
![Balon's Ruffe, Danube Ruffe (Gymnocephalus baloni), swimming, Stock Photo, Picture And Rights Managed Image. Pic. BWI-BS419064 | agefotostock Balon's Ruffe, Danube Ruffe (Gymnocephalus baloni), swimming, Stock Photo, Picture And Rights Managed Image. Pic. BWI-BS419064 | agefotostock](https://previews.agefotostock.com/previewimage/medibigoff/f2b4a4ead58b39560106a8c4e60f8dc0/bwi-bs419064.jpg)
Balon's Ruffe, Danube Ruffe (Gymnocephalus baloni), swimming, Stock Photo, Picture And Rights Managed Image. Pic. BWI-BS419064 | agefotostock
![Photo of Gymnocephalus baloni specimen from the upper reaches of the... | Download Scientific Diagram Photo of Gymnocephalus baloni specimen from the upper reaches of the... | Download Scientific Diagram](https://www.researchgate.net/publication/316359483/figure/fig1/AS:485944508850176@1492869607070/Photo-of-Gymnocephalus-baloni-specimen-from-the-upper-reaches-of-the-Dnipro.png)
Photo of Gymnocephalus baloni specimen from the upper reaches of the... | Download Scientific Diagram
![Balon's Ruffe, Danube Ruffe (Gymnocephalus baloni), above shingle, Germany, Bavaria, Danube, Straubing Stock Photo - Alamy Balon's Ruffe, Danube Ruffe (Gymnocephalus baloni), above shingle, Germany, Bavaria, Danube, Straubing Stock Photo - Alamy](https://c8.alamy.com/comp/A60R8M/balons-ruffe-danube-ruffe-gymnocephalus-baloni-above-shingle-germany-A60R8M.jpg)
Balon's Ruffe, Danube Ruffe (Gymnocephalus baloni), above shingle, Germany, Bavaria, Danube, Straubing Stock Photo - Alamy
![Donau-Kaulbarsch, Donaukaulbarsch (Gymnocephalus baloni), ueber Kiesgrund, Deutschland, Bayern, Dona Donau-Kaulbarsch, Donaukaulbarsch (Gymnocephalus baloni), ueber Kiesgrund, Deutschland, Bayern, Dona](https://www.imago-images.com/bild/st/0056096591/s.jpg)