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1,235 results for “Brazilian Amazon”
FIGURE 6 in A new long-snouted Corydoras (Siluriformes: Callichthyidae) from the rio Xingu and rio Tapajós basins, Brazilian Amazon
FIGURE 6 | Top of head and predorsal region of trunk of a c&s paratype of Corydoras caramater (LIA 1073, 41.6 mm SL) in dorsal view. Abbreviations: f: frontal, fdbp: first dorsolateral body plate, n: nasal, np: nuchal plate, pes: pterotic-extrascapular, pso: parieto-supraoccipital, sph: sphenotic. Scale bar = 1 mm.
FIGURE 2 in A new long-snouted Corydoras (Siluriformes: Callichthyidae) from the rio Xingu and rio Tapajós basins, Brazilian Amazon
FIGURE 2 | Two preserved specimens of Corydoras caramater, showing general color and morphological patterns in lateral view of (A) a paratype (LIA 8170, 38.1 mm SL), and (B) a non-type specimen from the rio Tapajós basin (CPUFMT 8149, 1, 49.9 mm SL).
FIGURE 9 in A new long-snouted Corydoras (Siluriformes: Callichthyidae) from the rio Xingu and rio Tapajós basins, Brazilian Amazon
FIGURE 9 | Lateral view of (A) the dorsal-fin spine and dorsal view of (B) the left pectoral-fin spine in a c&s paratype of Corydoras caramater (LIA 1073, 41.6 mm SL), showing their serration patterns. Area where the illustrated bones are located in fish's body marked in red in the miniature drawing of the new species. Scale bars = 1 mm.
FIGURE 1 in A new long-snouted Corydoras (Siluriformes: Callichthyidae) from the rio Xingu and rio Tapajós basins, Brazilian Amazon
FIGURE 1 | Corydoras caramater, holotype, MNRJ 54621, 49.3 mm SL, Senador José Porfírio, Pará, Brazil, rio Bacajaí, rio Xingu basin.
FIGURE 7 in A new long-snouted Corydoras (Siluriformes: Callichthyidae) from the rio Xingu and rio Tapajós basins, Brazilian Amazon
FIGURE 7 | Infraorbital series in lateral (A) and dorsal (B) views, and (C) suspensorium plus operculum in lateral view of a c&s paratype of Corydoras caramater (LIA 1073, 35.9 mm SL). Abbreviations: aa: angulo-articular, d: dentary, hym: hyomandibula, io1–2: infraorbital 1 and 2, iop: interopercle, mp: metapterygoid, op: opercle, pop: preopercle, prh: posterodorsal ridge of hyomandibula, q: quadrate. Red arrows indicate the inner laminar expansions of both infraorbitals. Area where the illustrated bones are located in fish's body marked in red in the miniature drawing of the new species. Scale bars = 1 mm.
FIGURE 8 in A new long-snouted Corydoras (Siluriformes: Callichthyidae) from the rio Xingu and rio Tapajós basins, Brazilian Amazon
FIGURE 8 | Hyoid and branchial arches in (A) a c&s paratype of Corydoras caramater (LIA 1073, 35.9 mm SL), showing its general morphology in dorsal view, with the detail of hypobranchial (hb) 1 and 2, and of (B) upper tooth plate plus pharyngobranchials ((pb3 and 4) 3 and 4). General morphology in dorsal view of both hypobranchials (1 and 2) of another c&s paratype (CITL 929, 45.3 mm SL). Area highlighted in red in (A) indicating the position of upper tooth plate plus pharyngobranchials in the branchial basket. Scale bars = 1 mm.
FIGURE 5 in A new long-snouted Corydoras (Siluriformes: Callichthyidae) from the rio Xingu and rio Tapajós basins, Brazilian Amazon
FIGURE 5 | Tip of snout in a paratype of Corydoras caramater (CITL 929, 45.3 mm SL), showing the area at corner of mouth in lateral view. Red arrow indicates the roughly triangular fleshy flap located between maxillary barbel and anteroventral portion of snout tip; yellow arrow indicates fleshy flap on dorsolateral portion of maxillary barbel base. Area where the illustrated structures are located in fish's body marked in red in the miniature drawing of the new species. Scale bar = 1 mm.
FIGURE 16 in A new long-snouted Corydoras (Siluriformes: Callichthyidae) from the rio Xingu and rio Tapajós basins, Brazilian Amazon
FIGURE 16 | Ontogenetic series of Corydoras caramater (bred under aquarium conditions) showing general changes in external morphology and color pattern in specimens with (A) 8.0 mm TL, (B) 10.0 mm TL; (C) 13.0 mm TL, (D) 16.0 mm TL, (E) 19.0 mm TL, and (F) 24.0 mm TL. Photos by Hans Evers.
FIGURE 12 in A new long-snouted Corydoras (Siluriformes: Callichthyidae) from the rio Xingu and rio Tapajós basins, Brazilian Amazon
FIGURE 12 | Uncatalogued aquarium specimens of Corydoras caramater from the rio Tapajós basin photographed alive, showing general color pattern and morphology of a male (A) and of a female (B) specimens. Photos by Hans Evers.
FIGURE 15 in A new long-snouted Corydoras (Siluriformes: Callichthyidae) from the rio Xingu and rio Tapajós basins, Brazilian Amazon
FIGURE 15 | Collecting sites of Corydoras caramater, showing (A) the rio Bacajaí, (B) a small stream tributary of the rio Bacajá, both draining to the rio Xingu, and (C) the igarapé Sonrisal, a tributary of the rio Tapajós basin, all in Pará State, Brazil.
FIGURE 11 in A new long-snouted Corydoras (Siluriformes: Callichthyidae) from the rio Xingu and rio Tapajós basins, Brazilian Amazon
FIGURE 11 | General morphology of caudal skeleton in a c&s paratype of Corydoras caramater (LIA 1073, 41.6 mm SL), showing the small cartilage (black dotted line) between upper principal and procurrent caudal-fin rays. Abbreviations: ccc: compound caudal centrum, cfr: caudal-fin principal rays, dpcr: dorsal procurrent rays, epu: epural, has: haemal spine, hyp 1–5: hypurals 1 to 5, nes: neural spine, par: parhypural, pu 2–4: preural centra 2 to 4, un: uroneural, vpcr: ventral procurrent rays. Area where the illustrated bones are located in fish's body marked in red in the miniature drawing of the new species. Scale bar = 1 mm.
FIGURE 14 in A new long-snouted Corydoras (Siluriformes: Callichthyidae) from the rio Xingu and rio Tapajós basins, Brazilian Amazon
FIGURE 14 | Map showing the geographical distribution of Corydoras caramater in the rio Xingu basin (purple star: type-locality; white diamonds additional records), and in the rio Tapajós basin (yellow dot). Each symbol may represent more than one locality.
FIGURE 4 in A new long-snouted Corydoras (Siluriformes: Callichthyidae) from the rio Xingu and rio Tapajós basins, Brazilian Amazon
FIGURE 4 | Details on cranium osteological pattern in a c&s paratype of Corydoras caramater (LIA 1073, 35.9 mm SL), showing general morphology of (A) lateral ethmoid in lateral view, and of (B) mesethmoid in dorsal view. Abbreviations: f: frontal, le: lateral ethmoid, n: nasal, pes: pterotic-extrascapular, pso: parieto-supraoccipital, sph: sphenotic. Additional pore of the temporal sensory canal at sphenotic outlined in yellow. Area where the illustrated bones are located in fish's body marked in red in the miniature drawing of the new species. Scale bars = 1 mm.
Figure 2. Pudica wandiquei n in Description of Pudica wandiquei n. sp. (Heligmonellidae: Pudicinae), a nematode found infecting Proechimys simonsi (Rodentia: Echimyidae) in the Brazilian Amazon
Figure 2. Pudica wandiquei n. sp. Synlophe in transverse sections of the body. A, B, C Female. (A) at oesophago-intestinal junction; (B) at mid-body; (C) at level of uterus. D, E, F Male. (D) at oesophago-intestinal junction; (E) at mid-body; (F) at level of spicules. Scale bars 25 Μm. Abbreviations: d = dorsal; v = ventral; L = left; r = right.
Figure 1. Pudica wandiquei n in Description of Pudica wandiquei n. sp. (Heligmonellidae: Pudicinae), a nematode found infecting Proechimys simonsi (Rodentia: Echimyidae) in the Brazilian Amazon
Figure 1. Pudica wandiquei n. sp. (A) anterior extremity, ventral view; (B) head, apical view; (C) Male, ventral view, posterior extremity; (D) tips of spicules; (E) Female, ventral view, posterior extremity. Scale bars in A and C50 Μm; B and D10 Μm; E 100 Μm.
Fig. 1 in Functional trophic composition of the ichthyofauna of forest streams in eastern Brazilian Amazon
Fig. 1. Location of the 18 sampled streams reaches (enlarged detail) in the northeastern region of Pará. The road network shown on the map relates only to the main roads.
Fig. 6 in Redescription of Astyanax multidens Eigenmann, 1908 (Characiformes: Characidae), a small characid of the Brazilian Amazon
Fig. 6. (a) Jupiaba paranatinga, holotype, MZUSP 100855, 37.4 mm SL, rio Teles Pires, tributary of rio Tapajós, (b) Jupiaba cf. essequibensis, MZUSP 110952, 36.7 mm SL, rio Xingu; both collected in syntopy with Astyanax multidens.
Fig. 5 in Redescription of Astyanax multidens Eigenmann, 1908 (Characiformes: Characidae), a small characid of the Brazilian Amazon
Fig. 5. Distribution of Astyanax multidens in the rio Amazonas basin. White circle represent the type localities.
Fig. 4 in Redescription of Astyanax multidens Eigenmann, 1908 (Characiformes: Characidae), a small characid of the Brazilian Amazon
Fig. 4. Astyanax multidens, photographed live, MZUSP 91955, ca. 25 mm SL, rio Culuene, tributary of rio Xingu (photo by Leandro Sousa).
Fig. 3 in Redescription of Astyanax multidens Eigenmann, 1908 (Characiformes: Characidae), a small characid of the Brazilian Amazon
Fig. 3. Upper and lower jaws of Astyanax multidens (lateral view, right side), MZUSP 96726, 44.3 mm SL. Scale bar 1 mm.
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Allen Brain Atlas
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International Brain Laboratory public data
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OpenNeuro
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