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29 results for “Osteoglossum”
Fig. 2 in Molecular diagnosis of the arowanas Osteoglossum ferreirai Kanazawa, 1966 and O. bicirrhossum (Cuvier, 1829) from the Orinoco and Amazon River basins
Fig. 2. Maximum likelihood phylogenetic hypothesis of relationships of Osteoglossum individuals representing the species O. bicirrhossum and O. ferreirai.
Fig. 1 in Molecular diagnosis of the arowanas Osteoglossum ferreirai Kanazawa, 1966 and O. bicirrhossum (Cuvier, 1829) from the Orinoco and Amazon River basins
Fig. 1. Sampling localities in the Amazon and Orinoco basins of O. bicirrhossum and O. ferreirai. Base map was obtained from Online Map Creation (Geomar) currently available as Planiglobe (http://www.planiglobe.com/).
FIGURE 8 in Quantitative analysis of interspecific and ontogenetic variation in Osteoglossum species (Teleostei: Osteoglossiformes: Osteoglossidae)
FIGURE 8. Principal component analysis including adults of Osteoglossum species. (a) plot characters factor coordinates (b) plot case factor coordinates. Numbers represents species and classes, where, 2= adults of O. ferreirai; 4= adults of O. bicirrhosum.
FIGURE 7 in Quantitative analysis of interspecific and ontogenetic variation in Osteoglossum species (Teleostei: Osteoglossiformes: Osteoglossidae)
FIGURE 7. Principal component analysis including postembryos and juveniles of Osteoglossum species. (a) plot characters factor coordinates (b) plot case factor coordinates. Numbers represents species and classes, where, 1= postembryos and juveniles of O. ferreirai; 3= postembryos and juveniles of O. bicirrhosum.
FIGURE 1 in Quantitative analysis of interspecific and ontogenetic variation in Osteoglossum species (Teleostei: Osteoglossiformes: Osteoglossidae)
FIGURE 1. The two Osteoglossum species: (a) adult specimen of O. bicirrhosum; (b) adult specimen of O. ferreirai; (c) juvenile specimen of O. bicirrhosum; (d) juvenile specimen of O. ferreirai.
FIGURE 6. Correlation between characters 4–5 and 1–6 in Quantitative analysis of interspecific and ontogenetic variation in Osteoglossum species (Teleostei: Osteoglossiformes: Osteoglossidae)
FIGURE 6. Correlation between characters 4–5 and 1–6, including all size classes of Osteoglossum species. Numbers represent species and classes, where, 1= postembryos and juveniles of O. ferreirai; 2= adults of O. ferreirai; 3= postembryos and juveniles of O. bicirrhosum; 4= adults of O. bicirrhosum.
FIGURE 3 in Quantitative analysis of interspecific and ontogenetic variation in Osteoglossum species (Teleostei: Osteoglossiformes: Osteoglossidae)
FIGURE 3. Principal component analysis including all size classes of Osteoglossum species. (a) plot characters factor coordinates (b) plot case factor coordinates. Numbers represent species and classes, where, 1= postembryos and juveniles of O. ferreirai; 2= adults of O. ferreirai; 3= postembryos and juveniles of O. bicirrhosum; 4= adults of O. bicirrhosum.
FIGURE 4. Correlation between characters 13–14 and 1–2 in Quantitative analysis of interspecific and ontogenetic variation in Osteoglossum species (Teleostei: Osteoglossiformes: Osteoglossidae)
FIGURE 4. Correlation between characters 13–14 and 1–2, including all size classes of Osteoglossum species. Numbers represent species and classes, where, 1= postembryos and juveniles of O. ferreirai; 2= adults of O. ferreirai; 3= postembryos and juveniles of O. bicirrhosum; 4= adults of O. bicirrhosum.
FIGURE 2 in Quantitative analysis of interspecific and ontogenetic variation in Osteoglossum species (Teleostei: Osteoglossiformes: Osteoglossidae)
FIGURE 2. Morphometric characters used in Aitchinson analysis: Standard length (1–6); head length (1–2); premaxillacleithrum length (1–3); predorsal length (1–4); postdorsal length (1–5); preanal length (1–8); prepectoral length (1–10); premaxillacoracoid length (1–11); premaxillainfraorbital length (1–12); snout length (1–13); premaxillaopercular length (1–15); eye diameter (13–14); occiputdorsal length; (2–4); occiputpostdorsal length (2–5); occiputcaudal length (2–6); occiputanal length (2–8); occiputpectoral length (2–10); head depth (2–11); dorsal fin length (4–5); analdorsal length (8–4); analpostdorsal length (8–5); anal fin length (8–7).
FIGURE 10 in Intraspecific variation of the caudal fin skeleton in Osteoglossum bicirrhosum Cuvier 1829 (Teleostei: Osteoglossomorpha: Osteoglossidae)
FIGURE 10. Caudal skeleton of Osteoglossum bicirrhosum as figured by: a) Taverne (1977); b) Hilton (2003); c) and d) Greenwood (1967). All illustrations are redrawn from these authors.
FIGURE 6 in Intraspecific variation of the caudal fin skeleton in Osteoglossum bicirrhosum Cuvier 1829 (Teleostei: Osteoglossomorpha: Osteoglossidae)
FIGURE 6. Caudal skeleton of Osteoglossum bicirrhosum. Specimens: a) UERJ-PMB 24; b) UERJ-PMB 31; c) MZUSP uncatalogued specimen. Anterior faces left.
FIGURE 9 in Intraspecific variation of the caudal fin skeleton in Osteoglossum bicirrhosum Cuvier 1829 (Teleostei: Osteoglossomorpha: Osteoglossidae)
FIGURE 9. Normal and teratological specimens of Osteoglossum bicirrhosum: a) caudal region of normal specimen before and after preparation with dermestid beetles (UERJ-PMB 48); arrows indicate caudal peduncle; b) caudal region of teratological specimen, with dorsal, caudal and anal fins confluent, before and after preparation with dermestid beetles
FIGURE 3 in Intraspecific variation of the caudal fin skeleton in Osteoglossum bicirrhosum Cuvier 1829 (Teleostei: Osteoglossomorpha: Osteoglossidae)
FIGURE 3. Caudal skeleton of Osteoglossum bicirrhosum. Specimens: a) MZUSP 3526-d; b) MZUSP 82312-18622; c) MZUSP 82331-02; d) MZUSP 22080-01; e) UERJ-PMB 25; f) MZUSP 21875-02. Bone is shown in white, and cartilage in black. Anterior faces left.
FIGURE 1. a in Intraspecific variation of the caudal fin skeleton in Osteoglossum bicirrhosum Cuvier 1829 (Teleostei: Osteoglossomorpha: Osteoglossidae)
FIGURE 1. a) The bonytongue Osteoglossum bicirrhosum, MNRJ 1212 (306 mm SL); b) Map with the geographic distribution of the specimens examined in the present study: I. Overview of South America river drainages. The spots represent specimen localities found in the MNRJ – Neodat search page; II. Close showing the localities in the sampled area. Assigned numbers depicted in Annex 1; III. Detail of the three sub-basins with the localities of the specimens used in our geographical comparisons. Maps were composed based on the online maps from IBGE (Instituto Brasileiro de Geografia e Estatística) and from the Neodat Project – MNRJ page.
FIGURE 5 in Intraspecific variation of the caudal fin skeleton in Osteoglossum bicirrhosum Cuvier 1829 (Teleostei: Osteoglossomorpha: Osteoglossidae)
FIGURE 5. Caudal skeleton of Osteoglossum bicirrhosum. Specimens: a) UERJ-PMB 11; b) UERJ-PMB 12; c) UERJ- PMB 13; d) UERJ-PMB 14. Bone is shown in white, and cartilage in black. Anterior faces left.
FIGURE 8 in Intraspecific variation of the caudal fin skeleton in Osteoglossum bicirrhosum Cuvier 1829 (Teleostei: Osteoglossomorpha: Osteoglossidae)
FIGURE 8. Caudal skeleton of Osteoglossum bicirrhosum: a) "Typical" condition. ["A"]. b) Schematic drawings of the main patterns ["A", "B", "C", "D", "E" and "F"] found in specimens from the three selected localities [Negro, Trombetas and Tapaj®AEs rivers]. Varying structures are highlighted in blue. Bone is shown in white, and cartilage in black. Anterior faces left. c) Histograms showing the distribution [expressed in percentage] of the varying endoskeletal patterns in specimens from the three localities.
FIGURE 2 in Intraspecific variation of the caudal fin skeleton in Osteoglossum bicirrhosum Cuvier 1829 (Teleostei: Osteoglossomorpha: Osteoglossidae)
FIGURE 2. Caudal skeleton of Osteoglossum bicirrhosum. Specimens: a) MZUSP 82312-18630; b) MZUSP 82319- 30738; c) MZUSP 3526-e; d) MZUSP 82312-18618; e) MZUSP 82312-18623; f) MZUSP 18290-d. Anterior faces left.
fig. 4 in First record of Osteoglossum bicirrhosum (Cuvier 1829) (Osteoglossiformes: Osteoglossidae) for the state of Maranhão, Brazil
fig. 4. Preserved specimen of O. bicirrhosum: CICCAA 03485, 1 specimen, 52 cm TL (total length). Vila Nova dos Martirios, Tocantins River basin, State of Maranhão, Brazil.
FIGURES 1–8 in The types of Osteoglossum formosum Müller & Schlegel, 1840 (Teleostei, Osteoglossidae)
FIGURES 1–8. Osteoglossum formosum Müller & Schlegel, 1840. From Müller & Schlegel 1840-1845, reproduced at ca. ½ of original size, with original captions.1. Osteoglossum formosum; a little more than half of the natural size; 2. Dorsal view of the skull; natural size; 3. Lateral view of the skull; natural size (gill cover removed); 4. Central bony element of the tongue; natural size; 5. Lateral view of scale from the centre of the flank, showing the mucus canal of the lateral line; natural size (the light part shows the hidden area, the dark part the exposed area); 6. A small piece of the exposed part of the scale; enlarged; 7. A small piece of the hidden part of the scale; enlarged; 8. Outline of the body in a transverse section.
FIGURE 9 in The types of Osteoglossum formosum Müller & Schlegel, 1840 (Teleostei, Osteoglossidae)
FIGURE 9. Type specimens of Osteoglossum formosum Müller & Schlegel 1840. A. RMNH.PISC.D.1646, 430 mm TL. Paralectotype. This is an aberrant specimen as the ventral fins are missing; B. RMNH.PISC.D.1647, 453 mm TL. Paralectotype. Scale equals 5 cm.
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