EditorialRuffe, Gymnocephalus cernua (Perca cernua). Handcoloured copperplate drawn and engraved by Edward Donovan from his Natural History of British Fishes, Donovan and F.C. and J. Rivington, London, 1802-1808.
EditorialCorvus gymnocephalus, Print, The white-necked rockfowl (Picathartes gymnocephalus) is a medium-sized bird in the family Picathartidae, with a long neck and tail. Also known as the white-necked picathartes, this passerine is mainly found in rocky forest...
EditorialGymnocephalus calvus, Print, Gymnocephalus is a genus of perches native to Western Eurasia. They are collectively called ruffes and resemble the common perches (Perca), but are usually smaller and have a different pattern., 1700-1880.
EditorialGymnocephalus calvus, Print, Gymnocephalus is a genus of perches native to Western Eurasia. They are collectively called ruffes and resemble the common perches (Perca), but are usually smaller and have a different pattern., 1700-1880.
EditorialGymnocephalus calvus, Print, Gymnocephalus is a genus of perches native to Western Eurasia. They are collectively called ruffes and resemble the common perches (Perca), but are usually smaller and have a different pattern., 1801.
EditorialPicathartes gymnocephalus, Print, The white-necked rockfowl (Picathartes gymnocephalus) is a medium-sized bird in the family Picathartidae, with a long neck and tail. Also known as the white-necked picathartes, this passerine is mainly found in rocky f...
EditorialRuffe, Gymnocephalus cernuus (Perca cernua). Handcoloured lithograph from Georg Friedrich Treitschke's Gallery of Natural History, Naturhistorischer Bildersaal des Thierreiches, Liepzig, 1840.
EditorialEuropean perch, Perca fluviatilis 1, ruffe, Gymnocephalus cernuus 3, and head of lined cardinalfish, Cheilodipterus vittatus. Handcolored engraving by Pierre after an illustration by Acaric Baron from Charles d'Orbigny's "Dictionnaire Universel d'Histo...