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Fig. 6. Prochilodus costatus swimming speeds measured a in Upstream and downstream migration speed of Prochilodus costatus (Characiformes: Prochilodontidae) in upper São Francisco basin, Brazil

Fig. 6. Prochilodus costatus swimming speeds measured a. in this study in stretch 2 and b. in the laboratory by Santos et al. (2012). Central points are medians, boxes represent percentiles 25 and 75 and whiskers represent amplitude. Dashed lines separate different kinds of fish movements. BL/s = swimming velocity in standard length of fish per second.

Fig 4 in Do different sampling designs produce differences in the metrics of curimba, Prochilodus lineatus (Characiformes: Prochilodontidae)?

Fig 4. Frequency distribution by standard length (SL) class of curimba for fixed and variable sampling sites in Volta Grande (VGR) and Jaguara (JR) reservoirs.

Fig. 3 in Do different sampling designs produce differences in the metrics of curimba, Prochilodus lineatus (Characiformes: Prochilodontidae)?

Fig. 3. Temporal variation in catch per unit effort (CPUE) of curimba for fixed and variable sampling sites in Volta Gran- de (VGR) and Jaguara (JR) reservoirs.

Fig. 6 in Plasticity in the shape and growth pattern of asteriscus otolith of black prochilodus Prochilodus nigricans (Teleostei: Characiformes: Prochilodontidae) freshwater Neotropical migratory fish

Fig. 6. Regressions between radius of each increments and increments growth estimated in Prochilodus nigricans from Solimões (red), Japurá (blue) and Negro (black) Amazon Basin, Brazil.

Fig. 5 in Plasticity in the shape and growth pattern of asteriscus otolith of black prochilodus Prochilodus nigricans (Teleostei: Characiformes: Prochilodontidae) freshwater Neotropical migratory fish

Fig. 5. Canonical variate analysis of the organized data of the analysis cluster. Representation the four different morphotypes of asteriscus otoliths of Prochilodus nigricans. (red cross) Morphotype 3; (blue square) Morphotype 2; (purple asterisk) Morphotype 4; (green ex) Morphotype 1.

Fig. 6 in Otolith morphometry provides length and weight predictions and insights about capture sites of Prochilodus lineatus (Characiformes: Prochilodontidae)

Fig. 6. Kruskall-Wallis results of the lapillus length and weight in each Prochilodus lineatus age; ages 2 and 7 were not included in analysis because they only have one sample.

Fig. 4 in Plasticity in the shape and growth pattern of asteriscus otolith of black prochilodus Prochilodus nigricans (Teleostei: Characiformes: Prochilodontidae) freshwater Neotropical migratory fish

Fig. 4. Four morphotype asteriscus otolith Prochilodus nigricans established by cluster analysis from the amplitudes of wavelets. a. morphotype 1; b. morphotype 2; c. morphotype 3 and d. morphotype 4 respectively, sampled of rivers Solimões, Japurá and Negro. Scale bars: 1 mm.

Fig. 1 in Plasticity in the shape and growth pattern of asteriscus otolith of black prochilodus Prochilodus nigricans (Teleostei: Characiformes: Prochilodontidae) freshwater Neotropical migratory fish

Fig. 1. Partial map of the Amazon basin showing the study area where Prochilodus nigricans were collected. Rivers: Solimões, Japurá and Negro, Brazil.

Fig. 1 in Otolith morphometry provides length and weight predictions and insights about capture sites of Prochilodus lineatus (Characiformes: Prochilodontidae)

Fig. 1. Study area and location of sampling sites in the floodplain of the Upper Paraná River (Baía River – 1; Ivinhema Ri- ver – 2; Paraná River – 3; lagoa guaraná – 4; lagoa dos patos – 5; lagoa das garças – 6; lagoa do Osmar – 7; ressaco do paú véio – 8; lagoa fechada – 9; lagoa ventura – 10).

Fig. 3 in Otolith morphometry provides length and weight predictions and insights about capture sites of Prochilodus lineatus (Characiformes: Prochilodontidae)

Fig. 3. Fits of the linear regressions between lapillus otolith and standard length of Prochilodus lineatus: a. Otolith Length (r2 = 0.80) and b. Otolith Weight (r2 = 0.82); the shaded area represents the confidence interval of 95% of the estimate; loess fit of raw residuals are in right panels.

Fig. 1 in Divergence in energy sources for Prochilodus lineatus (Characiformes: Prochilodontidae) in Neotropical floodplains

Fig. 1. Map of the floodplain of the Upper Paraná River, highlighting the areas sampled in this study. The subsystems sampled were A = Paraná River, B = Baía River and C = Ivinheima River. The numbers indicate sampled sites in each subsystem.

Fig. 4 in Divergence in energy sources for Prochilodus lineatus (Characiformes: Prochilodontidae) in Neotropical floodplains

Fig. 4. The average percentage contribution of each carbon source in different subsystems. The width of arrows represents the strength of resource utilization in each environment studied (MB = microbial biomass).

Fig. 4 in Identification of nurseries areas of juvenile Prochilodus lineatus (Valenciennes, 1836) (Characiformes: Prochilodontidae) by scale and otolith morphometry and microchemistry

Fig. 4. Relative warp (RW) analysis based on landmark coordinates. Thin plate spline transformation grids for the extreme points of RW are shown; these were superimposed on the shapes predicted when the average landmark configuration of all scales was deformed into that of a hypothetical scale positioned at the extreme of the RW of interest. A) RW2 vs. RW1; B) RW3 vs. RW1.

Fig. 1 in Identification of nurseries areas of juvenile Prochilodus lineatus (Valenciennes, 1836) (Characiformes: Prochilodontidae) by scale and otolith morphometry and microchemistry

Fig. 1. Study area. The red circles indicate the streaked prochilod (Prochilodus lineatus) collection sites.

Fig. 2 in Identification of nurseries areas of juvenile Prochilodus lineatus (Valenciennes, 1836) (Characiformes: Prochilodontidae) by scale and otolith morphometry and microchemistry

Fig. 2. Lapilli otolith of a streaked prochilod (Prochilodus lineatus). a) Right otolith of one of the sampled individuals, internal view (age 0+); b) right otolith section through the core (age 0+); c) example view of growth rings in an adult fish (age 8+). Abbreviations: A, anterior; D, dorsal; P, posterior; V, ventral; Ext, exterior; Int, interior.

Fig. 3 in Identification of nurseries areas of juvenile Prochilodus lineatus (Valenciennes, 1836) (Characiformes: Prochilodontidae) by scale and otolith morphometry and microchemistry

Fig. 3. Landmark definitions used in the fish scales. Abbreviations: A, anterior; D, dorsal; P, posterior; V, ventral.

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Fig. 1 in Acute toxicity of the water-soluble fraction of diesel in Prochilodus vimboides Kner (Characiformes: Prochilodontidae)

Fig. 1. Comet score (CS) in Procholidus vimboides exposed to different water soluble fractions of diesel (1:1,000, 1:500 and 1:100) for 24 and 96 h. The results are expressed as the mean ± standard deviation. *: Significant difference between one dilution and the respective control after 24- or 96-h exposure periods using an ANOVA and the Dunn's test (p<0.05). ** Significant difference between the two exposure times (24 and 96 h) for the same dilution using the T- test (p<0.05).

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Fig. 3 in Physiological effects of gasoline on the freshwater fish Prochilodus lineatus (Characiformes: Prochilodontidae)

Fig. 3. Plasma osmolarity (a) and concentrations of Na+ (b), K+ (c) and Cl- (d) of Prochilodus lineatus exposed to WSFG (EXP) or only to water (CTR) for 6, 24 and 96h. Data are means ± SEM (n = 10-13), asterisks indicate different from respective control (P <0.05).

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Fig. 4 in Physiological effects of gasoline on the freshwater fish Prochilodus lineatus (Characiformes: Prochilodontidae)

Fig. 4. Immunohistochemistry location of the Na+/K+- ATPase enzyme in the chloride cells (CC) of P. lineatus exposed to only to water (a) or WSFG (b) for 24h. Original magnification: 400 X.