A new species of Gymnocephalus (Pisces: Percidae) from the Danube, with remarks on the genus Holcík, J. Hensel, K. Copeia 1974 1974 2 471 486 urn:lsid:zoobank.org:act:6F9890DE6F3C4B81BF89D275726D7EB1 Actinopterygii Percidae Gymnocephalus CoL Animalia Perciformes Chordata species baloni  This treatment is a stub. You can help Plazi making the full treatment available.