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901 results for “Amazon Basin”
FIGURE 2 in A taxonomic revision of the Musician Wren, Cyphorhinus arada (Aves, Troglodytidae), reveals the existence of six valid species endemic to the Amazon basin
FIGURE 2. Principal components analysis of morphometric characters of taxa of the Cyphorhinus arada complex, showing lack of mensural differentiation among these taxa.
FIGURE 4 in A taxonomic revision of the Musician Wren, Cyphorhinus arada (Aves, Troglodytidae), reveals the existence of six valid species endemic to the Amazon basin
FIGURE 4. Distribution of recognized species within the Cyphorhinus arada complex. Black symbols represents skins and white symbols represents tape recordings. Cyphorhinus arada: triangles; Cyphorhinus transfluvialis: pentagons; Cyphorhinus salvini: squares; Cyphorhinus modulator: circles; Cyphorhinus interpositus: inverted triangles; Cyphorhinus griseolateralis: diamonds. Stars represent the type locality of each species. Illustrations by Laura Montserrat and Michelle Konig.
FIGURE 3 in A taxonomic revision of the Musician Wren, Cyphorhinus arada (Aves, Troglodytidae), reveals the existence of six valid species endemic to the Amazon basin
FIGURE 3. Sonograms of songs typical of each recognized taxon. A and B: Cyphorhinus arada (XC 65012, XC 54717); C and D: Cyphorhinus transfluvialis (ML 113170, ML 113171); E and F: Cyphorhinus modulator (XC 39726, ML 126971); G and H: Cyphorhinus salvini (ML 28625, XC 72499); I and J: Cyphorhinus interpositus (USP 0792, Kleber 2538); K and L: Cyphorhinus griseolateralis (XC 39960, ML 117074).
FIGURE 7 in Two new species of Leporinus Agassiz, 1929 (Characiformes: Anostomidae) from tributaries of the lower Amazon basin in Brazil
FIGURE 7. Jaws of Leporinus torrenticola, MZUSP 110624, 118.0 mm SL, rio Xingu basin. Scale bar 0.5 mm.
FIGURE 9 in Two new species of Leporinus Agassiz, 1929 (Characiformes: Anostomidae) from tributaries of the lower Amazon basin in Brazil
FIGURE 9. Hypomasticus megalepis (a), MZUEL 10200, 97.1 mm SL, rio Pitinga, tributary of rio Uatumã; H. julii (b), MNRJ 34057, c.140 mm SL, rio Xingu near Altamira.
FIGURE 4 in Two new species of Leporinus Agassiz, 1929 (Characiformes: Anostomidae) from tributaries of the lower Amazon basin in Brazil
FIGURE 4. Distribution of Leporinus multimaculatus (circles) and L. torrenticola (squares). Open symbols represent type localities.
FIGURE 3 in Two new species of Leporinus Agassiz, 1929 (Characiformes: Anostomidae) from tributaries of the lower Amazon basin in Brazil
FIGURE 3. Jaws of Leporinus multimaculatus, MZUSP 83997, 91.0 mm SL, rio Tocantins basin. Scale bar 0.5 mm.
FIGURE 5 in Two new species of Leporinus Agassiz, 1929 (Characiformes: Anostomidae) from tributaries of the lower Amazon basin in Brazil
FIGURE 5. Leporinus torrenticola: (a) LIA uncatalogued, 36.3 mm SL, rio Xingu near Altamira; (b) MNRJ 34071, 92.9 mm SL, holotype, rio Curuá, Xingu river basin; (c) INPA 31011, 89.3 mm SL, rio Xingu at Cachoeira do Espelho, basin. Scale bars 10 mm.
FIGURE 2 in Two new species of Leporinus Agassiz, 1929 (Characiformes: Anostomidae) from tributaries of the lower Amazon basin in Brazil
FIGURE 2. Leporinus multimaculatus: (a) MZUSP 91809, 72.5 mm SL, rio Culuene, rio Xingu basin (photo by Leandro Sousa); (b) MZUSP 114360, 63.9 mm SL, rio Muquem, rio Tocantins basin; (c) MZUSP 103467, 85.5 mm SL, rio Jari. Scale bars 10 mm.
FIGURE 8 in Two new species of Leporinus Agassiz, 1929 (Characiformes: Anostomidae) from tributaries of the lower Amazon basin in Brazil
FIGURE 8. Leporinus torrenticola: (a) INPA 40082, 63.5 mm SL, rio Xingu, above mouth of rio Iriri; (b) MZUSP 110624, 120.0 mm SL, rio Iriri, rio Xingu basin (photo by Mark Sabaj Pérez). Scale bars 10 mm.
FIGURE 1 in Two new species of Leporinus Agassiz, 1929 (Characiformes: Anostomidae) from tributaries of the lower Amazon basin in Brazil
FIGURE 1. Leporinus multimaculatus: (a) MZUSP 89940, 29.3 mm SL, rio Culuene, rio Xingu basin; (b) MCP 15921, 80.2 mm SL, rio do Peixe, rio Tocantins basin; (c) MNRJ 34080, 1, 92.6 mm SL, tributary of rio Fresco, rio Xingu basin; (d) MZUSP 119000, 87.4 mm SL, holotype, tributary of rio das Mortes, rio Araguaia basin. Scale bars 10 mm.
FIGURE 6. Leporinus torrenticola, MNRJ 34071, 92.9 in Two new species of Leporinus Agassiz, 1929 (Characiformes: Anostomidae) from tributaries of the lower Amazon basin in Brazil
FIGURE 6. Leporinus torrenticola, MNRJ 34071, 92.9 mm SL, rio Curuá, rio Xingu basin; holotype photographed live at the type locality.
FIGURE 9 in Potamotrygon tigrina, a new species of freshwater stingray from the upper Amazon basin, closely related to Potamotrygon schroederi Fernandez-Yépez, 1958 (Chondrichthyes: Potamotrygonidae)
FIGURE 9. Remains of holotype of Potamotrygon schroederi (MHNLS 2504, Río Apure, Boca Apurito, Orinoco basin). A) Distal tail region with caudal stings. B) Nasoral region. C) Lateral portion of disc. Holotype was originally reported as a very large female (995 mm TL, 600 mm DL, 524 mm DW).
FIGURE 8 in Potamotrygon tigrina, a new species of freshwater stingray from the upper Amazon basin, closely related to Potamotrygon schroederi Fernandez-Yépez, 1958 (Chondrichthyes: Potamotrygonidae)
FIGURE 8. Río Nanay at Pampa Chica, large sandy beach along left bank of hairpin curve in river (flowing towards right), approximately 11 river km upstream from confluence with Río Amazonas and 4 km west of Iquitos center. Photo taken August 18, 2003. Large sandy beach where ANSP 182452 was collected in 2005 is largely submerged. Photograph by M. Sabaj Pérez.
FIGURE 7 in Potamotrygon tigrina, a new species of freshwater stingray from the upper Amazon basin, closely related to Potamotrygon schroederi Fernandez-Yépez, 1958 (Chondrichthyes: Potamotrygonidae)
FIGURE 7. Geographic distributions of Potamotrygon tigrina, n. sp. (star, type locality), and P. schroederi (circles, type locality solid) examined in this study. Base map by M. J. Weitzman.
FIGURE 3 in Potamotrygon tigrina, a new species of freshwater stingray from the upper Amazon basin, closely related to Potamotrygon schroederi Fernandez-Yépez, 1958 (Chondrichthyes: Potamotrygonidae)
FIGURE 3. Morphological details of holotype of Potamotrygon tigrina, n. sp. (MUSM 39978). A) Dorsal head and snout region. B) Nasoral region. C) Posterior disc and dorsal tail base region. D) Ventral view of pelvic fins. E) Posterior right side of disc, in dorsal view. F) Dorsal view of pelvic fins. Scale bars = 1 cm.
FIGURE 2 in Potamotrygon tigrina, a new species of freshwater stingray from the upper Amazon basin, closely related to Potamotrygon schroederi Fernandez-Yépez, 1958 (Chondrichthyes: Potamotrygonidae)
FIGURE 2. Freshly captured holotype of Potamotrygon tigrina, n. sp., in dorsal view, showing live coloration (MUSM 39978, juvenile male, Río Nanay, near Iquitos, Peru; 495 mm TL, 271 mm DL, and 258 mm DW).
FIGURE 5 in Potamotrygon tigrina, a new species of freshwater stingray from the upper Amazon basin, closely related to Potamotrygon schroederi Fernandez-Yépez, 1958 (Chondrichthyes: Potamotrygonidae)
FIGURE 5. Details of the skeleton and dermal covering in Potamotrygon tigrina, n. sp., from holotype (MUSM 39978, 495 mm TL, 271 mm DL, and 258 mm DW). A) Splanchnocranium and scapular region (most of gill arches removed). B) Close-up of angular cartilage. C) Base of tail region showing arrangement of dorsal spines and denticles.
FIGURE 6 in Potamotrygon tigrina, a new species of freshwater stingray from the upper Amazon basin, closely related to Potamotrygon schroederi Fernandez-Yépez, 1958 (Chondrichthyes: Potamotrygonidae)
FIGURE 6. Morphological details of distal tail region in Potamotrygon tigrina, n. sp., showing arrangement of dorsal tail spines, denticles, caudal stings, and vertebrae. A) MUSM 39978 (holotype; 495 mm TL, 271 mm DL, and 258 mm DW), lacking caudal stings. B) ANSP 191988 (paratype; 560 mm TL, 282 mm DL, 250 mm DW).
FIGURE 4 in Potamotrygon tigrina, a new species of freshwater stingray from the upper Amazon basin, closely related to Potamotrygon schroederi Fernandez-Yépez, 1958 (Chondrichthyes: Potamotrygonidae)
FIGURE 4. Paratype of Potamotrygon tigrina, n. sp. in dorsal (A) and ventral (B) views (ANSP 191988, preadult female, Peru, Departamento Loreto, Iquitos, Río Nanay; 560 mm TL, 282 mm DL, 250 mm DW; specimen dry, color faded).
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.