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Polypterus Stock Photos and Images
RFTWEF6Y–Nile bichir and West African lungfish, (Polypterus bichirnischer), (Protopterus annectens), 1881, historical woodcut illustration, Germany
RF2J56MN8–The saddled bichir (Polypterus endlicheri). The body is long and about as deep as it is wide. A serrated dorsal fin runs along most of the body.
RF2C9CA48–A typical representation of the lateral aspect of the brain of Polypterus, with the parts like medulia, corpora restiformia, cerebellum, lobi optici,
RMMFF311–Polypterus fish (Polypterus ornatipinnis). Also known as Ornate Bichir. Distr. central and East Africa: Congo River Basin, Lake Tanganyika. Fresh wate
RFR6RE5E–Digital improved reproduction, Nile bichir and West African lungfish, gemeiner Flösselhecht, Polypterus bichir, afrikanischer Schuppenmolch, Protopterus annectens, original print from the 19th century
RM2A83MA2–Nile bichir, Polypterus bichir, barracuda, Sphyraena barracuda, longnose gar, Lepidosteus osseus, sea needle, Belone belone, ballyhoo halfbeak, Hemiramphus brasiliensis, Sloane's viperfish, Chauliodus sloani, and pike, Esox lucius. Lithograph from Lorenz Oken's Universal Natural History, Allgemeine Naturgeschichte fur alle Stande, Stuttgart, 1841.
RM2WXYYJ3–Bowfin, Amia calva 1, longnose gar, Lepisosteus osseus 2, and Nile bichir, Polypterus bichir 3. Handcoloured stipple copperplate engraving by Eugene Giraud after an illustration by Felix-Edouard Guérin-Méneville from Guérin-Méneville’s Iconographie du règne animal de George Cuvier, Iconography of the Animal Kingdom by George Cuvier, J. B. Bailliere, Paris, 1829-1844.
RMKWK192–Zoologie. Poissons du Nil. 1. Le Polyptère bichir (Polypterus bichir); 2. sa tête vue en dessus, 3. son squelette, 4. os de la nageoire, 5. les mêmes isolés, 6. myologie de la bouche, 7. (NYPL b142 0036
RF2GNY6NK–Group of orange fish swimming in a large and bright aquarium with decorative green plants and coral reef. No people.
RF2K630K1–Nile bichir and West African lungfish, gemeiner Flösselhecht, Polypterus bichir / afrikanischer Schuppenmolch, Protopterus annectens, Historisch, digital improved reproduction of an original from the 19th century / digitale Reproduktion einer Originalvorlage aus dem 19. Jahrhundert,
RMP7DXAY–Nile bichir, Polypterus bichir, barracuda, Sphyraena barracuda, longnose gar, Lepidosteus osseus, sea needle, Belone belone, ballyhoo halfbeak, Hemiramphus brasiliensis, Sloane's viperfish, Chauliodus sloani, and pike, Esox lucius. Lithograph from Lorenz Oken's Universal Natural History, Allgemeine Naturgeschichte fur alle Stande, Stuttgart, 1841.
RF2C9C2AW–A typical representation of the lower aspect of the brain of Polypterus, with the parts like medulia, corpora restiformia, cerebellum, lobi optici, hy
![The African fringe-finned Ganoid, Polypterus bichir [top]. Common Sturgeon, Acipcnsev sturio [center]. American Bony-pike, Lepidosteus osseus [bottom] from the book ' Reptiles, amphibia, fishes and lower chordata ' by Joseph Thomas Cunningham, Richard Lydekker, George Albert Boulenger, John Arthur Thomson, Publication date 1912 Publisher London : Methuen Stock Photo](https://c8.alamy.com/comp/2J6P22R/the-african-fringe-finned-ganoid-polypterus-bichir-top-common-sturgeon-acipcnsev-sturio-center-american-bony-pike-lepidosteus-osseus-bottom-from-the-book-reptiles-amphibia-fishes-and-lower-chordata-by-joseph-thomas-cunningham-richard-lydekker-george-albert-boulenger-john-arthur-thomson-publication-date-1912-publisher-london-methuen-2J6P22R.jpg "The African fringe-finned Ganoid, Polypterus bichir [top]. Common Sturgeon, Acipcnsev sturio [center]. American Bony-pike, Lepidosteus osseus [bottom] from the book ' Reptiles, amphibia, fishes and lower chordata ' by Joseph Thomas Cunningham, Richard Lydekker, George Albert Boulenger, John Arthur Thomson, Publication date 1912 Publisher London : Methuen Stock Photo")
RF2J6P22R–The African fringe-finned Ganoid, Polypterus bichir [top]. Common Sturgeon, Acipcnsev sturio [center]. American Bony-pike, Lepidosteus osseus [bottom] from the book ' Reptiles, amphibia, fishes and lower chordata ' by Joseph Thomas Cunningham, Richard Lydekker, George Albert Boulenger, John Arthur Thomson, Publication date 1912 Publisher London : Methuen
RM2A2ND52–Polypterus bichir, Print, Polypterus bichir, the Nile bichir, is a fish which lives in the Nile and some of its tributaries in Africa. It is a dark grayish color on the top, with a dark vertical marking and bands on the flank. This marking is more prominent on juveniles, and fades as the fish grows., 1700-1880
RF2AMHA19–Nile bichir and West African lungfish, gemeiner Flösselhecht, Polypterus bichir / afrikanischer Schuppenmolch, Protopterus annectens, Historisch, digital improved reproduction of an original from the 19th century / digitale Reproduktion einer Originalvorlage aus dem 19. Jahrhundert,
RM2EA6DX0–Polypterus (Polypteridae bichir) freshwater fish found in the Nile, Egypt. Old 19th century engraved illustration from El Mundo Ilustrado 1879
RM2EDTRJ4–Zoologie. Poissons du Nil. 1. Le Polyptère bichir (Polypterus bichir); 2. sa tête vue en dessus, 3. son squelette, 4. os de la nageoire, 5. les mêmes isolés, 6. myologie de la bouche, 7.
RF2B91RBG–Polypterus bichir, Print, Polypterus bichir, the Nile bichir, is a fish which lives in the Nile and some of its tributaries in Africa. It is a dark grayish color on the top, with a dark vertical marking and bands on the flank. This marking is more prominent on juveniles, and fades as the fish grows., 1700-1880, Reimagined by Gibon, design of warm cheerful glowing of brightness and light rays radiance. Classic art reinvented with a modern twist. Photography inspired by futurism, embracing dynamic energy of modern technology, movement, speed and revolutionize culture.
RMW285F9–Archive image from page 364 of Denkschriften der Medicinisch-Naturwissenschaftlichen Gesellschaft zu. Denkschriften der Medicinisch-Naturwissenschaftlichen Gesellschaft zu Jena denkschriftender413medi Year: 1879 H7 Die Muskeln und Nerven der Ceratodusflosse. 229 y) Die Stellung der Crossop tery gier-Brus tflosse zu derjenigen der übrigen Paläichthyer. Die Brustflosse des Polypterus, welche in ihrer serialen Stellung zum Rumpf derjenigen der Acipenseriden ähnlich ist, hat verschiedene wichtige Merkmale, welche allen anderen von mir untersuchten Ganoiden fehlen. Der Plexus omopterygialis dista
RMP55TF5–Nile bichir, Polypterus bichir. Illustration drawn and engraved by Richard Polydore Nodder. Handcolored copperplate engraving from George Shaw and Frederick Nodder's 'The Naturalist's Miscellany' 1812. Most of the 1,064 illustrations of animals, birds, insects, crustaceans, fishes, marine life and microscopic creatures for the Naturalist's Miscellany were drawn by George Shaw, Frederick Nodder and Richard Nodder, and engraved and published by the Nodder family. Frederick drew and engraved many of the copperplates until his death around 1800, and son Richard (17741823) was responsible for the
RF2C9C6HY–A typical representation of the lower aspect of the skull, part of the bones being removed on the side, with the parts labelled, vintage line drawing
RM2AN496X–The evolution of man: a popular exposition of the principal points of human ontogeny and phylogene . extant representatives of whichare the members of the much-varied orders of Sharks andRays (Figs. 191, 192). These are followed by a series offurther developed Fish forms, by the sub-class of MucousFishes (Ganoides). The greater number of these have longbeen extinct, and only very few living representatives areknown; these are the Sturgeon and Huso of European seas,the Polypterus of African, and the Lepidosteus and Amiaof American rivers. The earlier abundance of forms belong-ing to this intere
RF2C9CCFY–A typical representation of the side view of the skull with the membrane-bones, with the parts labelled, vintage line drawing or engraving illustratio
RF2C9C71H–A typical representation of the lower aspect of the primordial cranium, with the membrane-bones removed, with the parts labelled, vintage line drawing
RMMCNPR5–. Fig. 29. Die Schleimkanäle des Schädels von Polypterus. (Nach G. Baur und R. H. Traquair, aus R. L. Moodie.) N. = , Nasenöffnung. Orb. = Orbita. Fr. = Frontale. Pa. = Parietale. Sk. = Seitenkanal. (Vgl. Fig. 26.) 1 Roy L. Moodie, The Lateral Line System in Extinct Amphibia. The Journal of Morphology, Vol. XIX, 1908, p. 511.
RMRWX1R5–Elements of comparative anatomy (1878) Elements of comparative anatomy elementsofcompar00gege Year: 1878 Fig. 282. Brain of Polypterus bichir. A From above. B From the side. C From below, h Lobi olfactorii. g Prosencephalon. / Thalamencephalon. d Mesencephalon, be Metencephalon. a Myelencephalon (medulla oblongata), ol N. olfactorius. o N. opticus (after J. Miiller). large. This transverse la- mella appears to correspond to the cerebellum of the higher Verte- brata, while the base and sides of the sinus are formed by the myel- encephalon (medulla oblongata). As we pass from the Selachii to th
RMPPFF8R–Atlantic saury, scombresoce camperien, Scomberesox saurus, and Nile bichir, polyptere bichir, Polypterus bichir. Handcoloured copperplate stipple engraving from Jussieu's 'Dictionnaire des Sciences Naturelles' 1816-1830. The volumes on fish and reptiles were edited by Hippolyte Cloquet, natural historian and doctor of medicine. Illustration by J.G. Pretre, engraved by Nargeot, directed by Turpin, and published by F. G. Levrault. Jean Gabriel Pretre (17801845) was painter of natural history at Empress Josephine's zoo and later became artist to the Museum of Natural History.
RM2AWJTY8–The evolution of man : a popular exposition of the principal points of human ontogeny and phylogeny . nt representatives of whichare the members of the much-varied orders of Sharks andRays (Figs. 101, 192). These are followed by a series offurther developed Fish forms, by the sub-class of MucousFishes (Ganoides). The greater number of these have longbeen extinct, and only very few living representatives areknown; these are the Sturgeon and Huso of European seas,the Polypterus of African, and the Lepidosteus and Amiaof American rivers. The earlier abundance of forms belong-ing to this interesti
RMMCNPBD–. Fig. 187. Längsschnitt durch den Schädel von Eryops megacephalus, Cope, ungefähr in 7a nat. Gr. (Nach R. Broom, 1913.) Die Deckknochen sind senkrecht schraffiert, die Knorpelknochen punktiert dargestellt. Psph. = Parasphenoid. s.t.hy. = Sella turcica; Hypophysen- Bsph. = Basisphenoid. grübe. Sph.eth. = Sphenethmoid. s.t.s.v. = Sella turcica; Grube für den Bo. = Basioccipitale. saccus vasculosus (wie bei Eo. = Exoccipitale. Polypterus). Exoccipitale ( = Occipitale laterale). Dieser paarig entwickelte Knochen stößt oben an das Dermosupraoccipitale (wenn es nicht durch das Supraoccipitale von i
RMRWP740–Elements of the comparative anatomy Elements of the comparative anatomy of vertebrates elementsofcompar00wied Year: 1886 THE SKULL. In other points, however, they differ considerably from all these ; and it is clear that the last-named group cannot have been directly derived from them. The suspensorium, as well as the very massive palatoquadrate bar, fuses with the skull, and, as in Amia calva (a J'/llJO Va A: ':> • W« FIG. 53.—SKULL OF Polypterus bichir FROM THE DORSAL SIDE. Pmx, premaxilla ; Na, external nostril; N, nasal ; Sb, Sbl, anterior and posterior suborbital; Orb, orbit ; M, m
RM2ANHF8N–Zöology; a textbook for colleges and universities . It is to this type that the term ganoid has been more especially restricted in recent years. The bowfin (Amia caka), also of the MississippiValley, is actually nearer to the garpike than the latteris to Polypterus, though its scales are not ganoid. It is,however, a very.distinct and isolated type, and althoughthe scales superficially resemble those of many of thehigher fishes, the fine fibrilloe or threads composing thebasal part run lengthwise as they do in the lung-fishes. The sturgeons (Chondrostei) constitute another iso- sturgeonslated t
RMMA7E58–. Einführung in die vergleichende Anatomie der Wirbeltiere, für Studierende . Fig. 249. «Protopterus annectens, Larve vom 17. Tag, h Polypterus lapradei Stein. Larve von 1^/4 engl. Zoll Länge, etwa viermal vergrößert, c Gymnarchus niloticus. Larve vier Tage nach dem Ausschlüpfen. Von den Figuren, welche beide nach J. S. Budgett gezeichnet sind, ist nur die Kopf- und vordere Rurapfpartie dargestellt. BF Brustflosse, DS Dottersack, HO Haftorgan, KB Kiemenbüschel, welche bei Polypterus federbartartig dem Hyoid aufsitzen. bei jungen Protopterus-Larven in serialer, kopfschwanzwärts gerichteter Anor
RM2AJBEB8–A treatise on zoology . is supplied to the bladder in Polypterus and in the Dipnoi bypaired afferent pulmonary arteries, derived from the last (fourth)branchial arch, the sixth of the embryonic series (Fig. 197). Theblood is returned to the heart in Polypterus by paired efferent vessels,opening into the hepatic vein near the sinus venosus ; in the Dipnoiby paired vessels uniting and passing directly to the sinus venosusitself on the left side. That the air-bladder of the Dipnoi wasoriginally ventral, and that its dorsal position has been secondarilyacquired, is clearly shown by the course of t
RMGK68WW–51698 Polypterus congicus, a Crossopterygian fish from the Gongo River Young, with external gills
RMMCNPHA–. Fig. 126. Vollansicht und Skelettansicht von Polypterus bichir, Holozän. Gr. (Nach B. Dean.) LL= Longitudinalligament der Dorsalis. nat. Ungefähr l: AN = Angulare. AO = Antorbitale. MX AR = Rippen. N B = Basalia der paarigen Flossen. NA D = Träger der Terminalflossen. NS DN = Dentale. O DS Dorsalflossenstachel (modifi- P zierte Schuppe). PMX DS' Sekundäre Strahlen (Haut- R strahlen) der Dorsalis. R' DSG Hautschuppen. RB E = Ethmoideum. S F = Frontale. SO HA = Haemalbögen. SP J = Gulare. SP' Maxillare. Nasale. Neuralbogen. Neurapophyse. Operculum. Becken. Praemaxillare. Radialia der paarigen
RM2AJA8GN–A treatise on zoology . on the surface, as, for instance, in the Selachian, extends forwardsand inwards into the ventricle of the mesencephalon. In the. Diagrams of transverse sections througli the secondary fore-brain of A, Polypterus (afterBnrekhardt); B, Acijxnser (after Goronowitsch); C, Amia; D, Salmo; E, Protopferus (afterBurckliardt). Chondrostei the solid cerebellum projects but little into themesocoele, and forms but a rudiment of this valvula cerebelli (Fig.282), which becomes very large in the Teleosts, filling almostcompletely the cavity of the mid-brain (Fig. 352). Large pairedhol
RMGK68X5–51704 Polypterus congicus, a Crossopterygian fish from the Congo River Young, with external gills
RMMCNPN8–. Fig. 67. Rechte Hälfte des Schultergürtels und der rechten Brustflosse eines Kabljaus (Gadus morrhua), in Va nat- Gr- (Nach S. H. Reynolds.) i. Posttemporale. 2. Supraclavicula. j. Clavicula. 4. Coracoid. 5. Scapula. 6. Postclavicula. 7. Brachialia. 8. Dermale Flossenstrahlen. Auspressens des Wassers aus den Kiemenspalten geschlossen werden. Bei fast allen übrigen Fischen wird das Atemwasser nur durch den Mund aufgenommen. Bei Polypterus und bei Acipenser sind noch funktio- nelle Spritzlöcher vorhanden, bei Lepidosteus und Amia sind sie rudi- mentär. Das Spritzloch liegt in der Regel unmitte
RM2AGD87X–. Outlines of zoology. orms with pectoral fins obtusely lobate and uniserial oracutely lobate and biserial; with scales and dermal skull bones oftencovered with enamel-like ganoin ; with a pair of jugular plates betweenthe rami of the lower jaw. All are extinct except Polypterus andCalamoichthys from African rivers. Examples, Osteolepis (LowerDevonian), Holoptychius (Devonian), Megalichthys (Carboniferous), In Polypterus, the body is covered with rhombic ganoid scales;there are numerous dorsal fins; the tail is diphycercal; the pectoralfin has three basal pieces as in Elasmobranchs, then two r
RMPG2N83–. Elements of the comparative anatomy of vertebrates. Anatomy, Comparative. 110 COMPARATIVE AKATOMY become segmented off from the basal cartilage (hasi- or metaptery- gium) of the free fin. In some cases even this segmentation does not take place, and thus the pelvis remains undifferentiated. This simple condition is also met Avith in the ancient forms Pleura- canthus and Xenacanthus, and is essentially retained in Lepi- dosteus, Amia, and the Teleostei (Fig. 87). In Polypterus, which most nearly resembles the Devonian Crossopterygii, the pelvis shows some advance on that of Sturgeons. Owing,
![. Dyreriget : (Laerebog i zoologien, nr. 1) . 284. @n 33ittt (Polypterus) ©(ægter, begge gerftoanbéfifle, nemlig 53ifir'en (Polypterus) i Slfrifa« glober, ubmærfet beb, at ^ftjgfinnen er optoft i en 9?æffe (Smaaftnner, og ^anbfergebben iLepidosteus) i "Dfiorb^Slmerifa, fom ligner ^ornfiften ceb tiæberne« ^orlcengelfe og 9tt)gfinneng (StiUing, men afbiger fra aOe anbre m^ ^eroeb, at C)btrbterne itte ere ^ule for og bag, men forbunbne beb tjoceloebe ^ebfnuber forpaa 09 Sebf|uler af tilfoarenbe Sorm bag^)aa ^oirolerne. 3 CElbre 3orb^eriober »ar benne gamtUe bcrimob ocerorbctitig btttotoig og Stock Photo](https://c8.alamy.com/comp/MAAXFB/dyreriget-laerebog-i-zoologien-nr-1-284-@n-33ittt-polypterus-gter-begge-gerftoanbfifle-nemlig-53ifiren-polypterus-i-slfrifa-glober-ubmrfet-beb-at-ftjgfinnen-er-optoft-i-en-9ffe-smaaftnner-og-anbfergebben-ilepidosteus-i-quotdfiorbslmerifa-fom-ligner-ornfiften-ceb-tiberne-orlcengelfe-og-9ttgfinneng-stiuing-men-afbiger-fra-aoe-anbre-m-eroeb-at-cbtrbterne-itte-ere-ule-for-og-bag-men-forbunbne-beb-tjoceloebe-ebfnuber-forpaa-09-sebfuler-af-tilfoarenbe-sorm-bagaa-oirolerne-3-celbre-3orberiober-ar-benne-gamtue-bcrimob-ocerorbctitig-btttotoig-og-MAAXFB.jpg ". Dyreriget : (Laerebog i zoologien, nr. 1) . 284. @n 33ittt (Polypterus) ©(ægter, begge gerftoanbéfifle, nemlig 53ifir'en (Polypterus) i Slfrifa« glober, ubmærfet beb, at ^ftjgfinnen er optoft i en 9?æffe (Smaaftnner, og ^anbfergebben iLepidosteus) i "Dfiorb^Slmerifa, fom ligner ^ornfiften ceb tiæberne« ^orlcengelfe og 9tt)gfinneng (StiUing, men afbiger fra aOe anbre m^ ^eroeb, at C)btrbterne itte ere ^ule for og bag, men forbunbne beb tjoceloebe ^ebfnuber forpaa 09 Sebf|uler af tilfoarenbe Sorm bag^)aa ^oirolerne. 3 CElbre 3orb^eriober »ar benne gamtUe bcrimob ocerorbctitig btttotoig og Stock Photo")
RMMAAXFB–. Dyreriget : (Laerebog i zoologien, nr. 1) . 284. @n 33ittt (Polypterus) ©(ægter, begge gerftoanbéfifle, nemlig 53ifir'en (Polypterus) i Slfrifa« glober, ubmærfet beb, at ^ftjgfinnen er optoft i en 9?æffe (Smaaftnner, og ^anbfergebben iLepidosteus) i "Dfiorb^Slmerifa, fom ligner ^ornfiften ceb tiæberne« ^orlcengelfe og 9tt)gfinneng (StiUing, men afbiger fra aOe anbre m^ ^eroeb, at C)btrbterne itte ere ^ule for og bag, men forbunbne beb tjoceloebe ^ebfnuber forpaa 09 Sebf|uler af tilfoarenbe Sorm bag^)aa ^oirolerne. 3 CElbre 3orb^eriober »ar benne gamtUe bcrimob ocerorbctitig btttotoig og
RM2ANHG5D–Zöology; a textbook for colleges and universities . Photograph from Am. Mus. Natural HistoryFIG. 129. Garpike. FISHES 347. Photograph from Am. Mus. Natural HistoryFIG. 130. Group showing nesting habits of the bowfin. scales, though without the well-defined peg-and-socketarrangement. It is to this type that the term ganoid has been more especially restricted in recent years. The bowfin (Amia caka), also of the MississippiValley, is actually nearer to the garpike than the latteris to Polypterus, though its scales are not ganoid. It is,however, a very.distinct and isolated type, and althoughthe s
RMPG2MC5–. Elements of the comparative anatomy of vertebrates. Anatomy, Comparative. 278 COMPARATIVE ANATOMY and thus, as in the Holocephali, the gill-slits open into a common branchial chamber, which communicates with the exterior by a single slit-like aperture on either side (Figs. 222 B and 223). A spiraile is present in Acipeuser, Polyodon, and Polypterus amongst Ganoids. As a rule Teleosts possess only four holo- branchs,^ and this holds good for all Ganoids. A rudimentary gill orpseudobranch is present on the anterior wall of the spiracle of many Elasmobranchs and of cartilaginous Ganoids (mandib
RM2AFXA9K–. Journal of morphology. Protopterus(Budgett 01; Kerr 09); and Lepidosiren (Kerr 00, 01 and 09).With respect to inequality in the cleavage, Lepidosiren in partic-ular closely approaches the condition in Cryptobranchus andNecturus. The cleavage of Polypterus (Kerr 07) bears a generalresemblance to that of Amblystoma and the frog. Stage 7: {figs. 103 to 105; 215 and 216). This stage is charac-terized by a doubling of the number of cells found in the precedingstage, and by a slight extension of the region occupied by themicromeres. The stage is reached about four hours later thanStage 6. Figures
RMPFE1B1–. Denkschriften der Medicinisch-Naturwissenschaftlichen Gesellschaft zu Jena. Fig. 29. Horizontalsitus des Gehirns von Polypterus palmas, 16,5 cm. 3-fach vergr. Fig. 31. Gehirn von Polypterus btchir, 62 r.m. Von links. 2-fach vergr.. Fig. 30. Horizontalsitus des Gehirns von Polypterus bichir, 62 cm. 2-fach vergr.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Medizinisch-naturwissenschaftliche Gesellschaft zu Jena.
Search Results for Polypterus Stock Photos and Images (268)
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