Balon's ruffe (''Gymnocephalus baloni''), also known as the Danube ruffe, is a species of freshwater ray-finned fish, a ruffe, from the family Percidae which is native to the drainages of the Danube from delta to Germany and the Dnieper from delta to Kyiv and is expected to occur in the Dniester. It inhabits areas with sand or mud substrates. It is active at night and feeds on small invertebrates. This species can reach a length of SL. It is named after

Polish-Canadian Polish Canadians ( pl, Polonia w Kanadzie, french: Canadiens Polonais) are Canadian nationality law, citizens of Canada with Polish ancestry, and Poles who Citizenship and Immigration Canada, immigrated to Canada from abroad. At the Canada 2016 c ...

ichthyologist Ichthyology is the branch of zoology devoted to the study of fish, including bony fish ( Osteichthyes), cartilaginous fish (Chondrichthyes), and jawless fish (Agnatha). According to FishBase, 33,400 species of fish had been described as of Octobe ...

Eugene K. Balon Eugene Kornel Balon ( pl, Eugeniusz Kornel Bałon,Kaszper, Kazimierz. ''Dysydent mimo woli''. Zwrot 9/2007, 42.-44. cs, Evžen Kornel Balon; 1 August 1930 – 4 September 2013) was a Polish Canadian and Czech zoologist and ichthyologist. Biograp ...

(1930-2013). Subscription required

References

Gymnocephalus Freshwater fish of Europe Fish of Europe Fish described in 1974 Taxonomy articles created by Polbot {{Percidae-stub