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215 results for “characids”
FIGURE 3 in Astyanax douradilho, a new characid fish from the rio Tramandaí system, southern Brazil (Characiformes: Characidae)
FIGURE 3. Map of southern Brazil showing the distribution of the examined material of Astyanax douradilho. Some symbols represent more than one lot or locality. T = type locality.
FIGURE 2. Astyanax douradilho, MCP 25700, 54.0 in Astyanax douradilho, a new characid fish from the rio Tramandaí system, southern Brazil (Characiformes: Characidae)
FIGURE 2. Astyanax douradilho, MCP 25700, 54.0 mm SL, paratype. Upper and lower jaw teeth, left side, lateral view. Scale bars = 1 mm.
FIGURE 6. Moenkhausia lopesi, a in A new characid fish, Moenkhausia aurantia (Ostariophysi: Characiformes: Characidae), from the upper rio Tocantins basin in Central Brazil
FIGURE 6. Moenkhausia lopesi, a) paratype, MCP 26672, 33.5 mm SL, Brazil, Mato Grosso, Rondonópolis, rio Cuiabá basin; b) DZSJRP 12279, 34.0 mm SL, Brazil, Mato Grosso, Itiquira, color in live, specimen photographed just after fixation. Photo (b) by M. Marinho.
FIGURE 5 in A new characid fish, Moenkhausia aurantia (Ostariophysi: Characiformes: Characidae), from the upper rio Tocantins basin in Central Brazil
FIGURE 5. Geographic known distribution of Moenkhausia aurantia in the upper rio Tocantins basin, Goiás, Brazil. The symbol represents more than one lot and locality.
FIGURE 4 in A new characid fish, Moenkhausia aurantia (Ostariophysi: Characiformes: Characidae), from the upper rio Tocantins basin in Central Brazil
FIGURE 4. Type locality of Moenkhausia aurantia, córrego Kavanca at fazenda Kavanca, upper rio Tocantins basin, Nova Roma, Goiás, Brazil.
FIGURE 1 in A new characid fish, Moenkhausia aurantia (Ostariophysi: Characiformes: Characidae), from the upper rio Tocantins basin in Central Brazil
FIGURE 1. Moenkhausia aurantia, holotype, UFRGS 13619, female, 40.6 mm SL, córrego Kavanca at fazenda Kavanca, upper rio Tocantins basin, Nova Roma, Goiás, Brazil.
FIGURE 3 in A new characid fish, Moenkhausia aurantia (Ostariophysi: Characiformes: Characidae), from the upper rio Tocantins basin in Central Brazil
FIGURE 3. Moenkhausia aurantia, paratype, UFRGS 11224, 37.1 mm SL, stream on GO 112 at locality Lagoa Brava, between Nova Roma and Teresina de Goiás, Goiás, Brazil. Just after fixation.
FIGURE 2 in A new characid fish, Moenkhausia aurantia (Ostariophysi: Characiformes: Characidae), from the upper rio Tocantins basin in Central Brazil
FIGURE 2. Image from scanning electron microscope of the upper and lower jaws; left lateral view. Moenkhausia aurantia, paratype, female, UFRGS 11251, 36.7 mm SL. Scale bar = 0.5 mm.
FIGURE 10 in A new genus and species of inseminating characid fish from the rio Xingu basin (Characiformes: Characidae)
FIGURE 10. Map of the upper rio Xingu basin and adjoining areas showing the collecting sites (●) and the type-locality () of Phallobrycon adenacanthus. The symbols might represent more than one collecting locality.
FIGURE 9 in A new genus and species of inseminating characid fish from the rio Xingu basin (Characiformes: Characidae)
FIGURE 9. Scanning electronic micrograph of upper and lower jaws and dentition of Phallobrycon adenacanthus, new species, MZUSP 98904, paratype, SL 35.4 mm, adult male.
FIGURE 8 in A new genus and species of inseminating characid fish from the rio Xingu basin (Characiformes: Characidae)
FIGURE 8. Light micrographs (tranversal section) through anal-fin glandular tissue of mature male Phallobrycon adenacanthus, new species, MZUSP 98902, paratype, SL 38 mm. br: branched ray; cc: club cell; de: dermis; mc: mucous cell. 40x magnification.
FIGURE 5 in A new genus and species of inseminating characid fish from the rio Xingu basin (Characiformes: Characidae)
FIGURE 5. Light micrographs through gill of mature male Phallobrycon adenacanthus, new species, MZUSP 98902, paratype, SL 38 mm. A. Longitudinal section in the gill gland showing reduced secondary lamellae (arrow) covered with glandular columnar cells and the formation of the chamber (*), and B, gill region without gland. 40x magnification.
FIGURE 7 in A new genus and species of inseminating characid fish from the rio Xingu basin (Characiformes: Characidae)
FIGURE 7. Light micrographs through mature ovaries Phallobrycon adenacanthus, new species, MZUSP 98902, paratype, SL 39.5 mm, showing spermatozoa (sp) in the ovarian lumen. 20x magnification.
FIGURE 4 in A new genus and species of inseminating characid fish from the rio Xingu basin (Characiformes: Characidae)
FIGURE 4. Phallobrycon adenacanthus, new species, MZUSP 98892, holotype, SL 37 mm, adult male. Lateral view of left side of posterior body region showing urogenital papilla anterior to anal-fin origin (white arrow) and developed glandular tissue on anterior part of anal fin (black arrow).
FIGURE 3 in A new genus and species of inseminating characid fish from the rio Xingu basin (Characiformes: Characidae)
FIGURE 3. Phallobrycon adenacanthus, new species, MZUSP 98904, paratype, SL 35.4 mm, adult male. Lateral view of left side of anterior region of anal fin showing fusion of distal and medial radials of anterior five branched rays and developed spines on unbranched portions of fifth, sixth and seventh anal-fin rays.
FIGURE 2 in A new genus and species of inseminating characid fish from the rio Xingu basin (Characiformes: Characidae)
FIGURE 2. Phallobrycon adenacanthus, new species, paratype, MZUSP 91367, SL 38.5 mm, adult female. Notice absence of urogenital papilla anterior to anal-fin origin.
FIGURE 1 in A new genus and species of inseminating characid fish from the rio Xingu basin (Characiformes: Characidae)
FIGURE 1. Phallobrycon adenacanthus, new species, MZUSP 98892, holotype, SL 37 mm, adult male. Notice presence of urogenital papilla anterior to anal-fin origin.
FIGURE 6 in A new genus and species of inseminating characid fish from the rio Xingu basin (Characiformes: Characidae)
FIGURE 6. Light micrographs through mature testis Phallobrycon adenacanthus, new species, MZUSP 98802, paratype, SL 38 mm, showing well-organized spermatozeugmata (Z). 20x magnification.
FIGURE 11 in A new genus and species of inseminating characid fish from the rio Xingu basin (Characiformes: Characidae)
FIGURE 11. Type locality of Phallobrycon adenacanthus at the rapids in rio Culuene, rio Xingu basin, Campinápolis, Mato Grosso, Brazil.
Figure 39 in Description Of A New Genus With Six New Species From Southern Brazil, Uruguay And Argentina, With A Discussion Of A Putative Characid Clade (Teleostei: Characiformes: Characidae)
Figure 39. Cyanocharax alegretensis, holotype, male, 37.5 mm SL, creek on road Santana do Livramento-Alegrete, Alegrete, Rio Grande do Sul, Brazil (MCP 11473).
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