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51 results for “Sagitta”
Figure 4 in Ontogenetic and sexual variation in the sagitta otolith of Menticirrhus americanus (Teleostei; Sciaenidae) (Linnaeus, 1758) in a subtropical environment
Figure 4. Frequency distribution of the total length (mm) of the Menticirrhus americanus in two environments in the Subtropical Southwestern Atlantic.
Figure 9 in Ontogenetic and sexual variation in the sagitta otolith of Menticirrhus americanus (Teleostei; Sciaenidae) (Linnaeus, 1758) in a subtropical environment
Figure 9. Decomposition of the contour of the sagitta otoliths of males and females of Menticirrhus americanus, on the x-axis there are 512 Cartesian coordinates of the contour, y-axis, the means of the points. Females are black lines and males are gray lines. Circle in wavelet 4 to highlight more discrepant region between males and females.
Figure 10 in Ontogenetic and sexual variation in the sagitta otolith of Menticirrhus americanus (Teleostei; Sciaenidae) (Linnaeus, 1758) in a subtropical environment
Figure 10. Decomposition of the contour of the sagitta otoliths of adult and young females of Menticirrhus americanus, on the x-axis there are 512 Cartesian coordinates of the contour, y-axis, the means of the points. Young females are the black lines and adult females, the gray lines.
Figure 8 in Ontogenetic and sexual variation in the sagitta otolith of Menticirrhus americanus (Teleostei; Sciaenidae) (Linnaeus, 1758) in a subtropical environment
Figure 8. Decomposition of the contour of the sagitta otoliths throughout the ontogeny of Menticirrhus americanus, on the x-axis there are 512 Cartesian coordinates of the contour, y-axis, the means of the points. Interval class: dark blue 110-150 mm, orange 160-200 mm, grey 210-250 mm, yellow 260-300 mm and light blue 310-350 mm.
Figure 11 in Ontogenetic and sexual variation in the sagitta otolith of Menticirrhus americanus (Teleostei; Sciaenidae) (Linnaeus, 1758) in a subtropical environment
Figure 11. Scatterplot of the principal component analysis of the contour of the sagitta otolith of males (blue circles), females (red circles), young females (green square) Menticirrhus americanus in an estuarine beach of a subtropical environments in the Subtropical Southwestern Atlantic.
Figure 6 in Ontogenetic and sexual variation in the sagitta otolith of Menticirrhus americanus (Teleostei; Sciaenidae) (Linnaeus, 1758) in a subtropical environment
Figure 6. Box plot (mean and confidence interval) of morphometric parameters and morphometric indices of the otolith sagitta of Menticirrhus americanus per class interval: (A) otolith length (OL), (B) otolith height (OH), (C) OL/TL aspect ratio, (D) OH/OL% aspect ratio, (E) form factor, (F) rectangularity, (G) ellipticity and (H) surface of the sulcus acusticus (SRS). Circles indicate outliers.
Figure 5 in Ontogenetic and sexual variation in the sagitta otolith of Menticirrhus americanus (Teleostei; Sciaenidae) (Linnaeus, 1758) in a subtropical environment
Figure 5. Micrograph of the inner face of the right sagitta otolith of Menticirrhus americanus throughout its ontogenetic development: (A) 132 mm interval 110-150 magnification 52x, (B) 169 mm interval 160-200 magnification 42x, (C) 214 mm interval 210-250 magnification 36x, (D) 285 mm interval 260-300 magnification 42x and (E) 333 mm interval 310-350 magnification 26x.
Figure 2 in Ontogenetic and sexual variation in the sagitta otolith of Menticirrhus americanus (Teleostei; Sciaenidae) (Linnaeus, 1758) in a subtropical environment
Figure 2. Scheme of linear morphometry applied to the right otolith of Menticirrhus americanus collected in a subtropical environment: OL = maximum longitudinal length, OH = maximum perpendicular height, A = area of the otolith and AS = area of the sulcus acusticus, Pe = perimeter of the otolith and PeS = perimeter of the sulcus acusticus.
Figure 1 in Ontogenetic and sexual variation in the sagitta otolith of Menticirrhus americanus (Teleostei; Sciaenidae) (Linnaeus, 1758) in a subtropical environment
Figure 1. Sampling sites of Menticirrhus americanus in estuarine areas (P1) and a beach adjacent (P2) to the estuary in the Subtropical Southwestern Atlantic.
Fig. 2 in A geometric morphometric approach for disparity of the sulcus acusticus of sagitta in species of Gerreidae (Teleostei: Perciformes)
Fig. 2 Sets of landmarks (LMs, black dots filled) and semi-landmarks (SLMs, black dots empty) designed to capture the shape of the sulcus acusticus from the 18 Gerreidae species sampled. The illustration is a vector graphic of a Diapterus auratus specimen (Chollet-Villalpando et al. 2019)
Fig. 3 in A geometric morphometric approach for disparity of the sulcus acusticus of sagitta in species of Gerreidae (Teleostei: Perciformes)
Fig. 3 Visualization of the variation of the morphospace volume occupied by genera in the Gerreidae. a–f Scatter plots of scores from PC1 vs. PC2 that represent the morphospace occupied by a Deckertichthys, with one species; b Diapterus (three spp.); c Eucinostomus (eight spp.); d Eugerres (four spp.); e Gerres (two spp.); f the complete set of 18 species analyzed in a single morphospace. Species are labeled as follows: filled black squares, Deckertichthys aureolus (Dau); empty black circles, Diapterus auratus (Da); gray equis, D. brevirostris (Db); black stars, D. rhombeus (Drh); gray plus, Eucinostomus argenteus (Ear); filled gray diamonds, E. currani (Ec);
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