Gymnocephalus cernua

== Translingual == === Proper noun === Gymnocephalus cernua f A taxonomic species within the family Percidae – ruffe, blacktail, pope. ==== Synonyms ==== Gymnocephalus cernuus ==== Hypernyms ==== (species): Perciformes - order; Percoidei - suborder; Percoidea - superfamily; Percidae - family; Percinae - subfamily; Gymnocephalus - genus === References === Gymnocephalus cernua on Wikipedia.Wikipedia Gymnocephalus cernua on Wikispecies.Wikispecies Category:Gymnocephalus cernuus on Wikimedia Commons.Wikimedia Commons Gymnocephalus cernuus at Integrated Taxonomic Information System. Gymnocephalus cernua at National Center for Biotechnology Information Perca cernua at AnimalBase Gymnocephalus_cernuus at Animal Diversity Web Gymnocephalus cernua at World Register of Marine Species Gymnocephalus cernua at Fishbase