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228 results for “Potamotrygon”
Fig. 2. a. Potamotrygon amandae, 420.0 in Peixes da planície de inundação do alto rio Paraná e áreas adjacentes: revised, annotated and updated
Fig. 2. a. Potamotrygon amandae, 420.0 mm TL, fresh specimen, uncat. b. Potamotrygon cf. falkneri, 780.0 mm TL, fresh specimen, uncat. c. Platanichthys platana, NUP 16904, 28.9 mm SL, lagoa das Garças, tributary of the rio Paraná, Batayporã, State of Mato Grosso do Sul. d. Cyprinus carpio, NUP 1414, 203.3 mm SL, estação de piscicultura (CODAPAR-UEM), Maringá, State of Paraná.
FIGURE 20 in Potamotrygon rex, a new species of Neotropical freshwater stingray (Chondrichthyes: Potamotrygonidae) from the middle and upper rio Tocantins, Brazil, closely allied to Potamotrygon henlei (Castelnau, 1855)
FIGURE 20. Tail thorns of (A) Potamotygon henlei (MZUSP uncat.) and (B) P. leopoldi (MZUSP 104440).
FIGURE 6 in A new species of Neotropical freshwater stingray (Chondrichthyes: Potamotrygonidae) from the Rio Negro, Amazonas, Brazil: the smallest species of Potamotrygon
FIGURE 6. Detail of eyes and spiracles of live adult female specimen (courtesy of R. Hardwick).
Figure 4 in Study of the integument that covering back and stinger of the freshwater stingray Potamotrygon rex (Chondricthyes, Potamotrygonidae)
Figure 4. Micrographs demonstrating cell morphology along the back of the Potamotrygon rex stingray.Et- epithelial tissue, Ct- connective tissue. H&E stain. Bar = 100µm.
Fig. 5 in Karyotype description and evidence of multiple sex chromosome system X X X X /X X Y in Potamotrygon aff. motoro and P. falkneri (Chondrichthyes: Potamotrygonidae) in the upper Paraná River basin, Brazil
Fig. 5. Karyotypes of female (a) and male (b) of Potamotrygon falkneri sample from Ilha Solteira, highlighting the sex chromosomes after conventional and the chromosomes marked by NOR. Scale bar = 10 m.
Fig. 6 in Karyotype description and evidence of multiple sex chromosome system X X X X /X X Y in Potamotrygon aff. motoro and P. falkneri (Chondrichthyes: Potamotrygonidae) in the upper Paraná River basin, Brazil
Fig. 6. Somatic metaphases of Potamotrygon aff. motoro, the population of Porto Rico (a), population of Ilha Solteira (b), identification of constitutive heterochromatin. Metaphases of Potamotrygon falkneri sample from Porto Rico (c) and Ilha Solteira (d), analysis of constitutive heterochromatin after C-banding technique.
Fig. 1. Potamotrygon motoro, female 163 in The non-native freshwater fishes of Singapore: an annotated compilation
Fig. 1. Potamotrygon motoro, female 163 mm disc width, Lower Peirce Reservoir.
FIGURE 7 in A New Species Of Neotropical Freshwater Stingray Of The Genus Potamotrygon Garman, 1877 From The Río Madre De Díos, Peru (Chondrichthyes: Potamotrygonidae)
FIGURE 7: Clasper morphology of Potamotrygon tatianae sp. nov. (MZUSP 107671, male, 351 mm DW). A) External morphology. B) Clasper skeleton in dorsal view. C) Clasper skeleton in ventral view. Abbreviations: at, accessory terminal; ax, axial cartilage; b1, first basal segment; b2, second basal segment; be, beta cartilage; dm, dorsal marginal; dt2, dorsal terminal 2; pvr, pelvic fin radial; vm, ventral marginal; vt, ventral terminal.
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Allen Brain Atlas
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
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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.