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202 results for “Moenkhausia”
FIGURE 8 in Taxonomy of Moenkhausia australis Eigenmann, 1908 (Characiformes, Characidae) with a discussion on its phylogenetic relationships
FIGURE 8. Scale height as function of standard length for M. australis (orange) and M. oligolepis (blue).
FIGURE 7 in Taxonomy of Moenkhausia australis Eigenmann, 1908 (Characiformes, Characidae) with a discussion on its phylogenetic relationships
FIGURE 7. Scale height comparison between syntopic species of the Moenkhausia oligolepis group (Rio Taquari, Rio Paraguai basin, Brazil) (a) M. australis, LBP 28570, 41.2 mm SL, and (b) M. oligolepis, LBP 10766, 41.0 mm SL. Comparative vertical line based on scale height of M. australis. Horizontal dashes indicate vertical scale limits.
FIGURE 6 in Taxonomy of Moenkhausia australis Eigenmann, 1908 (Characiformes, Characidae) with a discussion on its phylogenetic relationships
FIGURE 6. Partial map of South America indicating the distribution of M. australis. Red triangle indicates type-locality. Rio Paraguai basin = orange; upper Rio Paraná = violet; Rio Uruguai basin = light brown; Rio Madeira basin = blue.
FIGURE 4. Moenkhausia australis, LBP 9714, 51.1 in Taxonomy of Moenkhausia australis Eigenmann, 1908 (Characiformes, Characidae) with a discussion on its phylogenetic relationships
FIGURE 4. Moenkhausia australis, LBP 9714, 51.1 mm SL. (a) Left maxilla (medial view); (b) left premaxilla (medial view); (c) left dentary (medial view). Scale bar 1 mm.
FIGURE 3 in Taxonomy of Moenkhausia australis Eigenmann, 1908 (Characiformes, Characidae) with a discussion on its phylogenetic relationships
FIGURE 3. Moenkhausia australis: (a) MZUSP 59317, 40.7 mm SL, Rio Taboco, Aquidauana, Mato Grosso do Sul, Brazil; (b) MCP 27464, 43.2 mm SL, Rio São Francisco, São Francisco de Assis, Rio Grande do Sul, Brazil; (c) LBP 9665, 37.5 mm SL, Córrego Azul, Ivinhema, Mato Grosso do Sul, Brazil; (d) MZUSP 115631, 36.2 mm SL, Rio Guaporé, Vila Bela da Santíssima Trindade, Mato Grosso, Brazil.
FIGURE 9 in Taxonomy of Moenkhausia australis Eigenmann, 1908 (Characiformes, Characidae) with a discussion on its phylogenetic relationships
FIGURE 9. Relative frequencies of branched anal-fin rays for: (a) Moenkhausia australis (La Plata) and M. australis (Rio Madeira); (b) Moenkhausia forestii and M. australis (Rio Madeira); (c) Moenkhausia sanctaefilomenae (Rio Parnaíba) and M. australis (Rio Madeira); (d) Moenkhausia oligolepis and M. australis (Rio Madeira).
FIGURE 1 in Taxonomy of Moenkhausia australis Eigenmann, 1908 (Characiformes, Characidae) with a discussion on its phylogenetic relationships
FIGURE 1. Molecular phylogenetic analysis by maximum likelihood method using the GTR model of nucleotide substitution and invariants for the data of COI gene. The numbers represent the groups frequencies observed using 1,000 bootstrap pseudoreplicas. Values below 50% are not represented.
FIGURE 2 in Taxonomy of Moenkhausia australis Eigenmann, 1908 (Characiformes, Characidae) with a discussion on its phylogenetic relationships
FIGURE 2. Moenkhausia australis (a) CAS 70818, lectotype, undetermined sex, 38.5 mm SL, Arroyo Trementina (= Rio Aquidaban in Concepcion, Paraguay); (b) CAS 70819, paralectotype, 30.7 mm SL, Arroyo Chagalalina (= Rio Aquidaban in Concepcion, Paraguay).
FIGURE 1 in Moenkhausia restricta, a new species from the upper Rio Negro, Amazon basin, northwestern Brazil (Characiformes: Characidae)
FIGURE 1. Holotype of Moenkhausia restricta, MZUSP 125291, 39.9 mm SL, Brazil, Amazonas, São Gabriel da Cachoeira, Rio Negro basin.
FIGURE 4. a in Moenkhausia restricta, a new species from the upper Rio Negro, Amazon basin, northwestern Brazil (Characiformes: Characidae)
FIGURE 4. a) Jupiaba zonata, LBP 16924, 38.1 mm SL; and b) Moenkhausia restricta LBP 7066, 40.2 mm SL.
FIGURE 3 in Moenkhausia restricta, a new species from the upper Rio Negro, Amazon basin, northwestern Brazil (Characiformes: Characidae)
FIGURE 3. Map of northwestern Amazon basin showing the type locality of Moenkhausia restricta (yellow star).
Figure 17 in Ontogeny of the skeleton of Moenkhausia pittieri (Ostariophysi: Characiformes) with discussion on functional demands and ossification patterns in the Characidae
Figure 17. Caudal fin of Moenkhausia pittieri. A, 5.4 mm standard length (SL), 21 days post-hatching (dph). B, 5.7 mm SL, 25 dph. C, 6.6 mm SL, 31 dph. D, 6.8 mm SL, 34 dph. E, 9.1 mm SL, 37 dph. F, adult, 28.8 mm SL. Abbreviations are explained in Table 1. Scale bars: 0.5 mm.
Figure 18 in Ontogeny of the skeleton of Moenkhausia pittieri (Ostariophysi: Characiformes) with discussion on functional demands and ossification patterns in the Characidae
Figure 18. Sequence of ossification of the skeleton of Moenkhausia pittieri. A, early stages, showing bones that start to ossify from 3.4 mm notocord length (NL) to 6.1 mm standard length (SL). B, later stages, showing bones that start to ossify from 6.2 mm SL onwards. The thin vertical lines represent lengths (NL and SL, in mm) at which ossification can be present or absent. The thick horizontal lines represent the fixed presence of ossifications.
Figure 15 in Ontogeny of the skeleton of Moenkhausia pittieri (Ostariophysi: Characiformes) with discussion on functional demands and ossification patterns in the Characidae
Figure 15. Dorsal fin of Moenkhausia pittieri. A, 7.7 mm standard length (SL), 37 days post-hatching (dph). B, 15.4 mm SL, 70 dph. C, adult, 28.8 mm SL, with image horizontally inverted. Abbreviations are explained in Table 1. Scale bars: 0.5 mm.
Figure 13 in Ontogeny of the skeleton of Moenkhausia pittieri (Ostariophysi: Characiformes) with discussion on functional demands and ossification patterns in the Characidae
Figure 13. Pectoral fin of Moenkhausia pittieri. A, 10.1 mm standard length (SL), 52 days post-hatching (dph). B, 15.4 mm SL, 70 dph. C, adult, 28.8 mm SL. Arrows indicate laterosensory bone canal of supracleithrum (B) and posttemporal (C). Abbreviations are explained in Table 1. Scale bars: 1 mm.
Figure 4. A, B, D in Ontogeny of the skeleton of Moenkhausia pittieri (Ostariophysi: Characiformes) with discussion on functional demands and ossification patterns in the Characidae
Figure 4. A, B, D, neurocranium of Moenkhausia pittieri, ventral view. A, 9.1 mm standard length (SL), 37 days posthatching (dph). B, 10.9 mm SL, 61 dph. C, dorsal portion of pectoral girdle, adult, 32.5 mm SL; arrow indicates ligament connecting the pterotic and supracleithrum with the intercalar. D, adult, 28.8 mm SL; arrow indicates the anterior process of the lateral ethmoid. Abbreviations are explained in Table 1. Scale bars: 1 mm.
Figure 12 in Ontogeny of the skeleton of Moenkhausia pittieri (Ostariophysi: Characiformes) with discussion on functional demands and ossification patterns in the Characidae
Figure 12. Axial skeleton of Moenkhausia pittieri. A, 5.1 mm notocord length (NL), 12 days post-hatching (dph). B, 9.1 mm SL, 37 dph. C, adult, 28.8 mm SL. Abbreviations are explained in Table 1. Scale bars: 1 mm.
Figure 10 in Ontogeny of the skeleton of Moenkhausia pittieri (Ostariophysi: Characiformes) with discussion on functional demands and ossification patterns in the Characidae
Figure 10. Branchial arches of Moenkhausia pittieri, upper portion, ventral view (A, left side; D, right side) and lower portion, dorsal view (B, C). A, B, 10.9 mm standard length (SL), 61 days post-hatching (dph); arrow indicates a single tooth developed in the pharyngobranchial 2 cartilage. C, D, adult, 28.8 mm SL; arrows indicate a second row of gill rakers. Abbreviations are explained in Table 1. Scale bars: 1 mm.
Figure 9 in Ontogeny of the skeleton of Moenkhausia pittieri (Ostariophysi: Characiformes) with discussion on functional demands and ossification patterns in the Characidae
Figure 9. Hyoid arch of Moenkhausia pittieri. A, 9.1 mm standard length (SL), 37 days post-hatching (dph), lateral view. B, 10.9 mm SL, 61 dph, medial view to show dorsal hypohyal. C, adult, 28.8 mm SL, lateral view. D, adult, 32.5 mm SL, lateral view. Abbreviations are explained in Table 1. Scale bars: 0.5 mm.
Figure 11 in Ontogeny of the skeleton of Moenkhausia pittieri (Ostariophysi: Characiformes) with discussion on functional demands and ossification patterns in the Characidae
Figure 11. Weberian ossicles of Moenkhausia pittieri. A, 5.1 mm notocord length (NL), 12 days post-hatching (dph). B, 5.5 mm standard length (SL), 21 dph. C, 9.1 mm SL, 37 dph. D, adult, 28.8 mm SL, with pleural rib 5 removed; arrow indicates the anterior process of neural arch 3. Numbers indicate vertebral centra. Abbreviations are explained in Table 1. Scale bars: 0.5 mm.
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