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221 results for “Pimelodidae”
FIGURE 11 in Morphometric and molecular differentiation of Pimelodus grosskopfii and Pimelodus yuma (Siluriformes: Pimelodidae)
FIGURE 11 | Manhattan plot depicting SNP loci that can differentiate Pimelodus grosskopfii and P. yuma. (p): P value for each of the 51 polymorphisms (unlinked-SNPs) tested by Fisher's test. The blue and red lines show significance threshold at P <1×10-5 and P <5×10–9, respectively.
FIGURE 3 in Morphometric and molecular differentiation of Pimelodus grosskopfii and Pimelodus yuma (Siluriformes: Pimelodidae)
FIGURE 3 | Plot of the two first principal components (PC1, PC2) based on the body shape of females and males of Pimelodus grosskopfii (PgF, PgM) and P. yuma (PyF, PyM). Euclidean distances between species: PgF-PyF= 0.085, P = 0.000; PgM-PyM = 0.094, P = 0.000; PgF-PyM = 0.084, P = 0.000; PgM-PyF = 0.093, P = 0.000. Euclidean distances between sexes: PyF-PyM = 0.018, P = 0.000; PgF-PgM = 0.012, P = 0.165.
FIGURE 2 in Morphometric and molecular differentiation of Pimelodus grosskopfii and Pimelodus yuma (Siluriformes: Pimelodidae)
FIGURE 2 | Landmarks used for morphometric analysis of Pimelodus grosskopfii (photo) and P. yuma: 1, tip of the snout; 2, dorsal-fin origin; 3–4, adipose-fin origin and insertion, respectively; 5–6, origin of posterior most dorsal and ventral caudal-fin rays; 7, anal-fin origin; 8, pelvic-fin origin; 9, pectoral-fin origin. Scale bar = 1 cm.
FIGURE 7 in Morphometric and molecular differentiation of Pimelodus grosskopfii and Pimelodus yuma (Siluriformes: Pimelodidae)
FIGURE 7 | Standardized major axis regression of the ratio L3–L8/L3–L4 on standard length for Pimelodus grosskopfii and P. yuma. L3–L8: distance between the adipose-fin origin and the pelvic-fin insertion. L3– L4: length of the adipose fin.
FIGURE 1 in Morphometric and molecular differentiation of Pimelodus grosskopfii and Pimelodus yuma (Siluriformes: Pimelodidae)
FIGURE 1 | Sampling sites of Pimelodus grosskopfii and P. yuma in the Cauca and Magdalena rivers. Orange circles: samples submitted to geometric morphometric and phylogenetic analyses; black circles: samples used for identification of diagnostic SNPs. Light blue, light green, dark blue: upper, middle, and lower section of the Cauca River, respectively; light purple, pink, dark purple: upper, middle, and lower section of the Magdalena River, respectively.
FIGURE 9 in Morphometric and molecular differentiation of Pimelodus grosskopfii and Pimelodus yuma (Siluriformes: Pimelodidae)
FIGURE 9 | Bayesian phylogenetic tree based on partial cox1 gene sequences, showing the phylogenetic relationships of individuals analysed in this study with the barcode-confirmed species Pimelodus grosskopfii, P. crypticus, and P. yuma.
FIGURE 5 in Morphometric and molecular differentiation of Pimelodus grosskopfii and Pimelodus yuma (Siluriformes: Pimelodidae)
FIGURE 5 | Box and whisker plot of centroid sizes of females and males of Pimelodus grosskopfii (PgF, PgM) and P. yuma (PyF, PyM).
FIGURE 4 in Morphometric and molecular differentiation of Pimelodus grosskopfii and Pimelodus yuma (Siluriformes: Pimelodidae)
FIGURE 4 | Differences in body shape average of females and males of Pimelodus grosskopfii (PgF, PgM) and P. yuma (PyF, PyM) after the Generalized Procrustes analysis.
FIGURE 6 in Morphometric and molecular differentiation of Pimelodus grosskopfii and Pimelodus yuma (Siluriformes: Pimelodidae)
FIGURE 6 | Plot of the two first principal components (PC1: 97.2%, PC2: 1.2%) based on traditional measurements of Pimelodus grosskopfii (Pg) and P. yuma (Py). PC3 (0.6%) does not help to discriminate the species and may represent minor measurement error.
FIGURE 1 in Fish injuries resulting from transient operating conditions in a Brazilian hydropower plant: morphological, physiological and biochemical evaluation in Pimelodus maculatus (Siluriformes: Pimelodidae)
FIGURE 1 | Histological gill alterations in Pimelodus maculatus collected during transient operating conditions (magnification: × 400). Arrows indicate the following lesions: A. Aneurysm; B. Epithelium detachment; C. Telangiectasia; and D. Interlamellar hyperplasia.
FIGURE 2 in Fish injuries resulting from transient operating conditions in a Brazilian hydropower plant: morphological, physiological and biochemical evaluation in Pimelodus maculatus (Siluriformes: Pimelodidae)
FIGURE 2 | Histological alterations in liver and spleen of Pimelodus maculatus collected during transient operating conditions in the tailrace of Machadinho HPP (magnification: × 400). Arrows and asterisks indicate the following lesions: A. Melanomacrophage centers (asterisk) and congested vein (arrow) in the liver; B. Blood cells indicating hepatic hemorrhage (asterisk); C. Melanomacrophage centers in the spleen (asterisk); D. Mononuclear inflammatory infiltrate in the spleen (arrow).
Linked collectors and determiners for: Taxonomy of the catfish genus Pseudoplatystoma Bleeker (Siluriformes: Pimelodidae) with recognition of eight species..
Natural history specimen data linked to collectors and determiners held within, "Taxonomy of the catfish genus Pseudoplatystoma Bleeker (Siluriformes: Pimelodidae) with recognition of eight species.". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/559d3326-742b-4d51-a2a5-3a17be2aadd1">https://bionomia.net/dataset/559d3326-742b-4d51-a2a5-3a17be2aadd1</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/559d3326-742b-4d51-a2a5-3a17be2aadd1">https://gbif.org/dataset/559d3326-742b-4d51-a2a5-3a17be2aadd1</a>. Formatted as a Frictionless Data package.
Fig. 9. a in Structural analysis of the Pimelodus maculatus (Lacépède, 1803) embryogenesis (Siluriformes: Pimelodidae)
Fig. 9. a - head detail, showing the otic vesicle, oral cavity, cephalic vesicle, closed mouth and eye. b - myogenesis process;
Fig. 2 in Structural analysis of the Pimelodus maculatus (Lacépède, 1803) embryogenesis (Siluriformes: Pimelodidae)
Fig. 2. Pimelodus maculatus embryos in segmentation stage: a - neurula; b - embryo with about 11 somites, optic vesicle,
Fig. 1 in Structural analysis of the Pimelodus maculatus (Lacépède, 1803) embryogenesis (Siluriformes: Pimelodidae)
Fig. 1. Embryonic development stages zygote, cleavage and gastrula in the Pimelodus maculatus. a - post-fertilization
Fig. 3 in Structural analysis of the Pimelodus maculatus (Lacépède, 1803) embryogenesis (Siluriformes: Pimelodidae)
Fig. 3. Pimelodus maculatus embryos in organogenesis (late segmentation phase) and hatching stage. a – more than 30
Fig. 6 in Structural analysis of the Pimelodus maculatus (Lacépède, 1803) embryogenesis (Siluriformes: Pimelodidae)
Fig. 6. Histologicals sections of Pimelodus maculatus embryos. a- detail of the nucleus of the syncyctial layer, at morula
Fig. 7. a in Structural analysis of the Pimelodus maculatus (Lacépède, 1803) embryogenesis (Siluriformes: Pimelodidae)
Fig. 7. a - embryo section at gastrula stage (epiboly of 75%), staining: HE; b - embryo section at gastrula stage (epiboly of
Fig. 2 in Chromosomal analyses in Megalonema platanum (Siluriformes: Pimelodidae), an endangered species from South American rivers
Fig. 2. Somatic metaphases of Megalonema platanum submitted to treatment with AgNO 3 (a and b); FISH with 18S rDNA probe (c) and CMA 3 (d). Arrows indicate the NOR bearing chromosomes. The arrowheads indicate the secondary constriction. Detail in (d) shows the chromosome pair CMA positive.
Fig. 1 in Chromosomal analyses in Megalonema platanum (Siluriformes: Pimelodidae), an endangered species from South American rivers
Fig. 1. Karyotype (a) and somatic metaphases of Megalonema platinum with C-banding (b) rio Tibagi and (c) rio Paraná. In the box the supernumerary chromosome. The arrowheads in (b) and (c) indicate the chromosome pair with interstitial heterochromatin; the arrow in (b) indicate the supernumerary chromosome partially heterochromatic and the asterisks in (c) indicate the chromosomes with heterochromatin blocks in both terminal regions. Scale bar = 10μm
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OpenNeuro
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