RMG7K17E–Aspro, Zingel asper and Eurasian ruffe, Gymnocephalus cernuus, illustration from book dated 1904
RMJ453NW–macro of the scales of a Ruffe
RMKB79KF–Red-necked Grebe (Podiceps grisegena) catching a Eurasian Ruffe (Gymnocephalus cernuus), The Netherlands, Flevoland
RMJ453R2–photo of a swimming ruffe against a dark grey background with light coming from above
RF2W9WXW9–Portrait of an endemic fish from of large rivers south-eastern Europe - Don ruffe (Gymnocephalus acerinus). The Don River in the middle reaches. Voron
RMJ451KN–Ruffe isolated on a white background
RFR1A5C5–Ancient colorful illustration of Eurasian Ruffe (Gymnocephalus cernua), side view of the greenish fish with his thorny dorsal fins, isolated element on white background. By Edward Donovan. London 1802
RMBKA38T–Ruffe, photographed in an aquarium
RMGDDBH4–Ruffe, gymnocephalus cernua
RMBKG2DF–Kokmeeuw in winterkleed met een gevangen pos in zijn snavel
RMGDDNKM–Ruffe, gymnocephalus cernua
RFT7NB69–Ruffe (Gymnocephalus cernuus) in the fresh water. Little cirnivorous fieh captured closed up underwater.
RMKB79KT–Red-necked Grebe (Podiceps grisegena) catching a Eurasian Ruffe (Gymnocephalus cernuus), The Netherlands, Flevoland
RF2WD2BWK–Portrait of an endemic fish from of large rivers south-eastern Europe - Don ruffe (Gymnocephalus acerinus). The Don River in the middle reaches. Voron
RMKB79KY–Red-necked Grebe (Podiceps grisegena) catching a Eurasian Ruffe (Gymnocephalus cernuus), The Netherlands, Flevoland
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