RM2M97KM3–Gymnocephalus cernua, or Eurasian Ruffe, also known as Ruff, Jack Ruff, Ruffe or Pope.
RMF87P0Y–Ruffe, Gymnocephalus cernuus (Perca cernua). Handcoloured lithograph from Georg Friedrich Treitschke's Gallery of Natural History, Naturhistorischer Bildersaal des Thierreiches, Liepzig, 1840.
RMGDDBN2–Ruffe, gymnocephalus cernua
RMCNWXWB–Gymnocephalus (Gymnocephalus spec.), over gravel ground, Germany, Bavaria, Ammersee
RMEJPWBD–White-necked Rockfowl (Picathartes gymnocephalus) adult, perched on vine, Ghana, February
RMCNYCHX–Balon's Ruffe, Danube Ruffe (Gymnocephalus baloni), swimming at a gravel ground
RM2A2MPG1–Gymnocephalus 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
RMCNYCRN–Balon's Ruffe, Danube Ruffe (Gymnocephalus baloni), swimming at a gravel ground
RMA2MM58–Eurasian Ruffe, Gymnocephalus cernua
RMA5GK7G–Balon's Ruffe, Danube Ruffe (Gymnocephalus baloni), over gravel, Germany, Bavaria, Danube
RMJE72FG–Kaulbarsch, Gymnocephalus cernua, also priest's louse,
RFHFAFPN–Ruffe, gymnocephalus cernua
RFEJD6R7–Eurasian ruff (Gymnocephalus cernua) on a white background
RMDNBM5G–Gymnocephalus cernuus drawing
RM2R8Y9MM–Great crested grebe, Podiceps cristatus, with a fish in its beak, a Ruffe Gymnocephalus cernua, Norfolk Broads, June
RM2R8Y9J7–Great crested grebe, Podiceps cristatus, with a fish in its beak, a Ruffe Gymnocephalus cernua, Norfolk Broads, June
RMAW9AEN–Ruffe, Gymnocephalus cernuus
RME5HAKW–Eurasian Ruffe (Gymnocephalus cernuus)
RMP89KPW–White-necked Picathartes (Picathartes gymnocephalus) perched on a rock. This species is considered one of Africa's most desirable birds by birders and
RMH3YM73–Kaulbarsch, Gymnocephalus cernua, underwater recording, fish, fish, glanders perch, Schroll, priest's louse, Stone Perch, Pope, Ruffe, perch, ornamental fish
RMGDDBH4–Ruffe, gymnocephalus cernua
RMH434TC–Illustration, Kaulbarsch, Gymnocephalus cernua, NOT FREELY FOR BOOK-INDUSTRY, series, animal, vertebrate, fish, bone-fish, real perches, freshwater-fish, food-fish, quite-bodies, free-plates, quietly life, pop,
RMGDDNKM–Ruffe, gymnocephalus cernua
RMEJPWBE–White-necked Rockfowl (Picathartes gymnocephalus) adult, standing on rock ledge, Ghana, February
RMGDDBXG–Ruffe, gymnocephalus cernua, Adult
RM2A2MPG0–Gymnocephalus 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
RF2E3CRFP–White-necked Picathartes (Picathartes gymnocephalus) adult perched on branch Ghana February
RM2M97M0T–Eurasian Ruffe (Gymnocephalus cernua, also known as Ruff, Jack Ruff, Ruffe and Pope), and Miller's Thumb (Cottus gobio, also known as Freshwater Sculpin, European Bullhead, River Bullhead and Common Bullhead).
RMP7C9G5–Ruffe, Gymnocephalus cernuus (Perca cernua). Handcoloured lithograph from Georg Friedrich Treitschke's Gallery of Natural History, Naturhistorischer Bildersaal des Thierreiches, Liepzig, 1840.
RMM8TK9W–White-necked Picathartes
RMMH4EEC–Ruffe, 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.
RMF6T6RT–Ruffe
RM2WXCDA8–European ruffe or pope, Gymnocephalus cernua 1, and greater weever, Trachinus draco 2. Hand-coloured steel engraving by William Lizars after an illustration by James Stewart from Sir William Jardine's The Naturalist's Library, Ichthyology, British Fishes, W.H. Lizars, Edinburgh, 1843.
RMEM9MAX–Ruffe camoflauged on the river bed nottingham fairham brook
RM2A77J5T–European 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'Histoire Naturelle' (Universal Dictionary of Natural History), Paris, 1849.
RMHGJ5RE–Fish. 19th century colour Wood Engraving by Benjamin Fawcett (1808-1893) from 'British Fresh-Water Fishes' by Rev William Houghton (1828-1895) published in 1879
RM2A2MPFY–Gymnocephalus 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
RM2X37D88–Capuchinbird or calfbird, Perissocephalus tricolor. Native to South America, Colombia, Venezuela, Brazil and the Guianas. Die glatzige Dohle, Monedula cayennensis, Corvus calvus, Choucas chauve de Cayenne, bald crow, Gymnocephalus calvus. Handcoloured copperplate engraving after an illustration by François-Nicolas Martinet from Bernhard Christian Otto’s edition of Comte de Buffon’s Naturgeschichte der Vogel, Natural History of Birds, Ben Joachim Pauli, Berlin, 1781.
RM2GPF725–John Dory, Zeus faber a, plaice, Pleuronectes platessa b, Atlantic halibut, Hippoglossus hippoglossus c, perch, Perca fluviatilis d, zander, Sander lucioperca e, ruffe, Gymnocephalus cernua f, striped red mullet, Mullus surmuletus g, rainbow wrasse, Coris julis h, and flathead grey mullet, Mugil cephalus i. Chromolithograph from Gotthilf Heinrich von Schubert's Natural History of Animal Kingdoms for School and Home (Naturgeschichte des Tierreichs fur Schule und Haus), Schreiber, Munich, 1886.
RMCNWG7T–Balon's Ruffe, Danube Ruffe (Gymnocephalus baloni), over gravel ground, Germany, Bavaria, Danube, Passau
RMBD7WCA–bald fruit crow gymnocephalus calvus bird
RMCRJ3WP–ruffe, pope (Gymnocephalus cernuus), the two species of ruffes in comparison, ruffe at the front; balon's ruffe at the back, Germany, Bavaria, Danube
RM2AFC5FE–Eurasian ruffe (Gymnocephalus cernuus), captive, France
RMA1E96P–ruffe, pope (Gymnocephalus cernuus)
RFT7NB69–Ruffe (Gymnocephalus cernuus) in the fresh water. Little cirnivorous fieh captured closed up underwater.
RM2K7M3RA–Great Crested Grebe (Podiceps cristatus) with Ruffe (Gymnocephalus cernua) fish against the light Norfolk GB UK October 2022
RF2E3CRGN–White-necked Picathartes (Picathartes gymnocephalus) adult perched on branch Ghana February
RM2BT4E5C–Ruffe, 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.
RFCWDPTC–Eurasian Ruff (Gymnocephalus cernuus) or it is simple Ruff - the fresh-water fish isolated on a white background.
RM2A2NBP8–Picathartes 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 forested areas at higher altitudes in West Africa from Guinea to Ghana. Its distribution is patchy, with populations often being isolated from each other. The rockfowl typically chooses to live near streams and inselbergs. It has no recognized subspecies, though some believe that it forms a superspecies with the grey-necked rockfowl. The white-
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
RMG7K17E–Aspro, Zingel asper and Eurasian ruffe, Gymnocephalus cernuus, illustration from book dated 1904
RMJ3MPDD–Gymnocephalus cernuus drawing
RMPCYYAC–Ambassis gymnocephalus Ford 15.
RMJ39AHT–Corvus gymnocephalus 1838
RMP7XB7D–Picathartes gymnocephalus and Picathartes oreas . 1902 310 PicathartesReichenow
RF2PX71BX–Ruffe lying on wooden board in outdoors
RMP1WM1P–143 Gymnocephalus calvus - 1700-1880 - Print - Iconographia Zoologica - Special Collections University of Amsterdam - UBA01 IZ16600139
RFF51WHC–Yellow-headed Picathartes (Picathartes gymnocephalus) in Ghana
RM2BDKYBJ–Gymnocephalus cernuus drawing.
RMA1E96K–ruffe, pope (Gymnocephalus cernuus)
RMW4XC43–Corvus gymnocephalus 1838.
RM2K7M3R4–Great Crested Grebe (Podiceps cristatus) with Ruffe (Gymnocephalus cernua) fish against the light Norfolk GB UK October 2022
RF2E3CRHA–White-necked Picathartes (Picathartes gymnocephalus) adult standing on rock ledge Ghana February
RMP6H6AN–European 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'Histoire Naturelle' (Universal Dictionary of Natural History), Paris, 1849.
RM2A2MCAP–Corvus 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 forested areas at higher altitudes in West Africa from Guinea to Ghana. Its distribution is patchy, with populations often being isolated from each other. The rockfowl typically chooses to live near streams and inselbergs. It has no recognized subspecies, though some believe that it forms a superspecies with the grey-necked rockfowl. The white-necked
RM2AWHWYF–Ruffe, Gymnocephalus cernua, adult ruffe on the riverbed, Nottinghamshire ,January