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215 results for “characids”
Fig. 6 in Reproductive biology and development of gill glands in the inseminating characid, Macropsobrycon uruguayanae Eigenmann, 1915 (Cheirodontinae: Compsurini)
Fig. 6. Scanning electron microscope images of a gill gland on the first right gill arch of males of Macropsobrycon uruguayanae; anterior is to the right; A, general appearance of the gill arch of a mature male bearing a gill gland, showing 24 modified gill filaments that are fused and covered by epithelial tissue; B, gill arch of a maturing male, showing the development of the epithelial tissue (arrows) starting to fuse the gill filaments at their bases to form the gill gland; C, D, ventral edge of the gill gland of a mature male showing the free ends of the filaments (asterisks) and the opening of the gill gland chambers (arrowheads). (A, C, D - specimen collected in February 2002; 32.0 mm SL; IGS = 2.48; B - specimen collected in June 2001; 26.9 mm SL; IGS = 0.60).
Fig. 5 in Dermal lip protuberances associated with aquatic surface respiration in juveniles of the piscivorous characid Salminus brasiliensis (Actinopterygii: Characidae)
Fig. 5. Mean monthly water temperature (solid line) and dissolved oxygen (dotted line) at the floodplain site of Salado River sampled during 2004 and 2005. Arrows indicate the dates with occurrence of individuals with dermal lip protuberances.
Fig. 3 in Dermal lip protuberances associated with aquatic surface respiration in juveniles of the piscivorous characid Salminus brasiliensis (Actinopterygii: Characidae)
Fig. 3. An individual of S. brasiliensis exhibiting the lip extension (left), and another individual showing typical lip morphology (rigth). Both fishes show a similar mouth opening. Protuberances can be seen in both jaws covering the tooth rows, which are evident in the individual with typical lip morphology. Scale bar = 1 cm.
Fig. 3. Astyanax xavante, MZUSP 100376, 47.3 in Astyanax xavante, a new species of characid from middle rio Araguaia in the Cerrado region, Central Brazil (Characiformes: Characidae)
Fig. 3. Astyanax xavante, MZUSP 100376, 47.3 mm SL, paratype, from córrego Avoadeira, rio Araguaia basin, Barra do Garças, Mato Grosso (upon capture).
Fig. 4 in Astyanax vermilion and Astyanax burgerai: new characid fishes (Ostariophysi: Characiformes) from Northeastern Bahia, Brazil
Fig. 4. Map of northeastern Brazil, showing position of type locality of Astyanax burgerai (full triangle), type locality (full circle) and other sampled sites of Astyanax vermilion (full square), new species.
Fig. 8 in Astyanax vermilion and Astyanax burgerai: new characid fishes (Ostariophysi: Characiformes) from Northeastern Bahia, Brazil
Fig. 8. Type locality of Astyanax burgerai, Brazil, Bahia State, Almadina, córrego Água Boa, rio Almada drainage.
Fig. 2. Hyphessobrycon hexastichos, MCP 37649 in A new characid fish, Hyphessobrycon hexastichos (Characiformes: Characidae) from Chapada dos Parecis, Mato Grosso, Brazil
Fig. 2. Hyphessobrycon hexastichos, MCP 37649, paratype, 38.8 mm SL. Scanning electronic microscopy of left side upper and lower jaws teeth.
Fig. 1 in Physical habitat simulation for small-sized characid fish species from tropical rivers in Brazil
Fig. 1. The Velhas river basin in the Brazilian territory, whose drainage area is 29.173 km2.
Fig. 2 in Myxiops aphos, new characid genus and species (Characiformes: Characidae) from the rio Lençóis, Bahia, Brazil
Fig. 2. Myxiops aphos, paratype, MZUSP 81025, male, 45.0 mm SL; Brazil, Bahia, rio Lençóis.
Figure 28 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 28. Teeth of Cyanocharax dicropotamicus (MCP 19510, 40.0 mm SL). Jaws seem decalcified and deformed. A - Maxilla, B - Premaxilla and C - Dentary teeth.
Figure 35 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 35. Cyanocharax lepiclastus, holotype, male, MCP 16381, rio Dourados, Linha V árzea, on the road between Severiano de Almeida and Aratiba, Severiano de Almeida, Rio Grande do Sul, Brazil. Photograph taken just after fixation in formalin by Peter Wimberger,
Figure 49 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 49. Jaws and teeth of Cyanocharax macropinna (MCP 16382, 43.1 mm SL). A-D - Maxilla and detailed view of teeth; B-E - Premaxilla and detailed view of teeth; C-F - Dentary and detailed view of teeth.
Figure 11 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 11. Cladogram depicting known relationships of the clade A of Fig. 2, including Cyanocharax. Lettered boxes A through E represent hypotheses supported by characters presented by A - Malabarba & Vari (2000); B - Vari & Harold (1998, 2001); C - Weitzman & Menezes (1998); D - Vari & Ortega, 2000; E - Malabarba & Malabarba (1994) and Silva & Malabarba (1996); and F - present hypothesis.
Figure 10 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 10. Jaws and teeth of Hemibrycon dariensis (MCP 27072, 47.0 mm SL). A-B - Maxilla and detailed view of teeth; C-D - Premaxilla and detailed view of teeth; E-F - Dentary and detailed view of teeth.
Figure 40 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 40. Cyanocharax alegretensis, male, 27.9 mm SL, same locality as Fig. 39 (MCP 11473).
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