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10 results for “Serrapinnus”
FIGURE 5 in Morphological divergences as drivers of diet segregation between two sympatric species of Serrapinnus (Characidae: Cheirodontinae) in macrophyte stands in a neotropical floodplain lake
FIGURE 5 | Graph of Spearman's correlation coefficient calculated between the morphological traits indicated by CVA and main food items consumed by Serrapinnus notomelas and Serrapinnus sp.1 in a lake in the upper Paraná River floodplain, Brazil. Values of r and p indicate the correlation and statistical significance, respectively. Positive correlations are represented by blue color and negative correlations by red color. ALG – algae; ZOO – zooplankton; DI – Depression index; CI – Compression index; RLPd – Relative lenght of caudal peduncule; RHPd – Relative height of caudal peduncule; RWPd – Relative width of caudal peduncule; RAD – Relative area of dorsal fin; ARC – Aspect ratio of caudal fin; ARA – Aspect ratio of anal fin; ARPt – Aspect ratio of pectoral fin; ARPv – Aspect ratio of pelvic fin; RLHd – Relative length of head; RHHd – Relative height of head; RWHd – Relative width of head; RHM – Relative height of mouth; RWM – Relative width of mouth; EP – Relative position of eye; MT – multicuspid teeth; PT – pentacuspid teeth; ICO – Intestinal coefficient; GRL – Gill raker length.
FIGURE 4 in Morphological divergences as drivers of diet segregation between two sympatric species of Serrapinnus (Characidae: Cheirodontinae) in macrophyte stands in a neotropical floodplain lake
FIGURE 4 | Canonical variate analysis illustrating differences in morphological traits for the Serrapinnus notomelas and Serrapinnus sp.1 in a lake in the upper Paraná River floodplain, Brazil. CI – Compression index; DI – Depression index; RLPd – Relative lenght of caudal peduncule; RHPd – Relative height of caudal peduncule; RWPd –Relative width of caudal peduncule; RAD – Relative area of dorsal fin; ARC – Aspect ratio of caudal fin; ARA – Aspect ratio of anal fin; ARPt – Aspect ratio of pectoral fin; ARPv – Aspect ratio of pelvic fin; RLHd – Relative length of head; RHHd – Relative height of head; RWHd – Relative width of head; RHM – Relative height of mouth; RWM – Relative width of mouth; EP – Relative position of eye; MT – multicuspid teeth; PT – pentacuspid teeth; ICO – Intestinal coefficient; GRL – Gill raker length.
FIGURE 2 in Morphological divergences as drivers of diet segregation between two sympatric species of Serrapinnus (Characidae: Cheirodontinae) in macrophyte stands in a neotropical floodplain lake
FIGURE 2 | Number of individuals from Serrapinnus notomelas and Serrapinnus sp.1 sampled concerning precipitation (mm) between October/2010 and March/2012 in a lake in the upper Paraná River floodplain, Brazil. SnA = S. notomelas Adult; SnJ = S. notomelas juvenile; Sp1A = Serrapinnus sp.1 adult; Sp1J = Serrapinnus sp.1 juvenile.
FIGURE 3 in Morphological divergences as drivers of diet segregation between two sympatric species of Serrapinnus (Characidae: Cheirodontinae) in macrophyte stands in a neotropical floodplain lake
FIGURE 3 | Variation in the diet breadth of Serrapinnus notomelas and Serrapinnus sp.1 using PERMDISP, for the juveniles and adults in a lake in the upper Paraná River floodplain, Brazil. Boxes represent the 25th and 75th quartiles and demonstrate the individual variation of the trophic niche. The horizontal bars in each box represent the average niche breadth. Whiskers indicate the range and individual symbols indicate outliers. J=juveniles; A= adults.
FIGURE 1 in Morphological divergences as drivers of diet segregation between two sympatric species of Serrapinnus (Characidae: Cheirodontinae) in macrophyte stands in a neotropical floodplain lake
FIGURE 1 | Study area: location of sampling site in the upper Paraná River floodplain, Mato Grosso do Sul State, Brazil.
Fig. 3 in Factors influencing Serrapinnus notomelas (Characiformes: Characidae) populations in upper Paraná river floodplain lagoons
Fig. 3. Scatterplot of the abundance of Serrapinnus notomelas and the scores of axis 1 of the principal components analysis (PCA) that summarized physical variables. Variables that more contributed to formation of the axis (arrows) are also given. TSS = Total suspended solids.
Fig. 1 in Factors influencing Serrapinnus notomelas (Characiformes: Characidae) populations in upper Paraná river floodplain lagoons
Fig. 1. Map of the upper Paraná River floodplain showing the locations of the sampling stations (lagoons).
FIGURE 6. Serrapinnus kriegi, UFRGS 20135, 20.2 in Inventory of the freshwater fishes from a densely collected area in South America — a case study of the current knowledge of Neotropical fish diversity
FIGURE 6. Serrapinnus kriegi, UFRGS 20135, 20.2 mm SL, rio Ibicuí, tributary of the rio Uruguay; new record for the state of Rio Grande do Sul.
fig. 1 in First record of Serrapinnus kriegi (Schindler, 1937) and confirmed presence of S. calliurus (Boulenger, 1900) for Uruguay (Characiformes: Characidae)
fig. 1. (above left) Serrapinnus calliurus. Top, male (MHNM 3783), Paso de la Cruz, Cuareim River, Artigas Department, Uruguay. Bottom, female (not preserved), Franquia, Bella Unión, Artigas Department, Uruguay. Specimens alive, upon capture. fig. 2. (above right) Serrapinnus kriegi. Top, male (MHNM 3794), Paso de la Cruz, Cuareim River, Artigas Department, Uruguay. Bottom, female (MHNM 3560), Paso de León, Cuareim River, Artigas Department, Uruguay. Specimens alive, upon capture. fig. 3. (right) Geographic distribution of the genus Serrapinnus in Uruguay. Red dots corresponds to S. calliurus and green dots to sites with both, S. kriegi and S. calliurus.
Figs. 2a-d in Factors influencing Serrapinnus notomelas (Characiformes: Characidae) populations in upper Paraná river floodplain lagoons
Figs. 2a-d. Temporal variation in the abundance of Serrapinnus notomelas in lagoons Capivara (a), Clara (b), Pousada (c) and Traíra (d).
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