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90 results for “Prochilodus”
Fig. 2 in Assessment of sábalo (Prochilodus lineatus) fisheries in the lower Paraná River basin (Argentina) based on hydrological, biological, and fishery indicators
Fig. 2. Capture records of sábalo in the Paraná basin. The data taken from 1920 to 1988 were compiled by the National Agency of Freshwater Fisheries. The data from 1994 to 2009 correspond to the exportation records of the Sanitary National Service (SENASA). No data from 1988 to 1993 were available.
Fig. 1 in Assessment of sábalo (Prochilodus lineatus) fisheries in the lower Paraná River basin (Argentina) based on hydrological, biological, and fishery indicators
Fig. 1. Study area and the location of the main landing sites of the sábalo fisheries in the lower Paraná basin.
Fig. 3. a in Assessment of sábalo (Prochilodus lineatus) fisheries in the lower Paraná River basin (Argentina) based on hydrological, biological, and fishery indicators
Fig. 3. a) Variation of average flow from 1920 to 2009. b) Variation in the channel-connectivity index (CCI) from 1920 to 2009, expressed as a percent of the time that the water level surpasses the bankfull level (3 m). c) Variation of the floodplain connectivity index (FCI) from 1920 to 2009, expressed as the percentage of the time that the water level surpassed a height of 4.3 m flooding the alluvial valley. Vertical grey lines indicate different hydrological periods considered in this study.
Fig. 3 in The roles of marginal lagoons in the maintenance of genetic diversity in the Brazilian migratory fishes Prochilodus argenteus and P. costatus
Fig. 3. Dendrogram representing the chord genetic distance among sampling groups of Prochilodus costatus. ABAr = rio Abaeté at rainy season; PAR = rio Paracatu lagoons; SFR = rio São Francisco lagoons; TMDd = Três Marias Dam at dry season; TMDr = Três Marias Dam at rainy season.
Fig. 2 in The roles of marginal lagoons in the maintenance of genetic diversity in the Brazilian migratory fishes Prochilodus argenteus and P. costatus
Fig. 2. Dendrogram representing the chord genetic distance among sampling groups of Prochilodus argenteus. ABAr = rio Abaeté at rainy season; CAR = rio Carinhanha lagoons; JEQ = rio Jequitaí lagoons; PAR = rio Paracatu lagoons; SFR = rio São Francisco lagoons; URU = rio Urucuia lagoons; VEL = rio das Velhas lagoons; TMDd = Três Marias Dam at dry season; TMDr = Três Marias Dam at rainy season.
Fig. 1 in The roles of marginal lagoons in the maintenance of genetic diversity in the Brazilian migratory fishes Prochilodus argenteus and P. costatus
Fig. 1. Map showing the central portion of the rio São Francisco basin and the distribution of the samples of Prochilodus argenteus (yellow) and of P. costatus (black). The circles represent marginal lagoons from tributaries, squares represent marginal lagoons from the rio São Francisco, and triangles represent places in the mainstream rio São Francisco in the Três Marias region. ABA = rio Abaeté; CAR = rio Carinhanha lagoons; JEQ = rio Jequitaí lagoons; PAR = rio Paracatu lagoons; SFR = rio São Francisco lagoons; URU = rio Urucuia lagoons; VEL = rio das Velhas lagoons; TMD = Três Marias Dam.
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).
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.
Fig. 5 in Physiological effects of gasoline on the freshwater fish Prochilodus lineatus (Characiformes: Prochilodontidae)
Fig. 5. Density of chloride cells (CCmm-1) in the lamellar and lamental regions of the gills of Prochilodus lineatus exposed to WSFG (EXP) for 6, 24 and 96h. The results obtained for control groups at each experimental period were pooled together (CTR). Data are means ± SEM (n = 10-13), asterisks indicate number of total CC different from CTR group; number sign indicate number of lamellar CC different from CTR group (P <0.05).
Fig. 1 in Osmolality and composition of the extender during the cold storage of Prochilodus lineatus (Characiformes: Prochilodontidae) sperm
Fig. 1. Motility rate (a); curvilinear (VCL; b), straight-line (VSL; c) and average path (VAP; d) velocities of Prochilodus lineatus sperm diluted in two extender compositions (ACP = closed circles; BTS = open circles) and stored at 6-8°C for six days. Undiluted sperm served as control (closed triangle). Each dot and error bar represents mean ± SD; n=15 males. ACP: Powdered Coconut Water™; BTS: Beltsville Thawing Solution™. *Means followed by this symbol, within the same day of analysis, are significantly higher (P<0.05; Tukey).
Fig. 1 in Fresh, equilibrated and post-thaw sperm quality of Brycon orbignyanus (Valenciennes, 1850) and Prochilodus lineatus (Valenciennes, 1837) treated with either salmon GnRHa and domperidone or pituitary extract
Fig. 1. Motility rate of fresh, equilibrated and post-thaw sperm of Brycon orbignyanus (A; n = 18 males) and Prochilodus lineatus (B; n = 21 males). Motility rate was evaluated after 0, 20, 40 and 60s (fresh and equilibrated sperm) or after 10, 30, 50 and 70s of activation (post-thaw sperm). *Motility evaluated at 60s was lower than that at 0s post-activation (Scott-Knott, P <0.05). § Motility evaluated at 10s post-activation was the highest (Scott-Knott, P <0.05).
Fig. 2 in The effect of water pH on the incubation and larviculture of curimbatá Prochilodus lineatus (Valenciennes, 1837) (Characiformes: Prochilodontidae)
Fig. 2. Growth curves in total length of the Prochilodus lineatus larvae after 16 days of larviculture. The results are grouped in the different pH values used in the incubation.
Fig. 2 in Fresh, equilibrated and post-thaw sperm quality of Brycon orbignyanus (Valenciennes, 1850) and Prochilodus lineatus (Valenciennes, 1837) treated with either salmon GnRHa and domperidone or pituitary extract
Fig. 2. Post-thaw sperm velocities (curvilinear = VCL; straight-line = VSL; average path = VAP) of Brycon orbignyanus (A; n = 18 males) and Prochilodus lineatus (B; n = 21 males) evaluated after 10, 30, 50 and 70s after activation. * Mean at 10s was the highest (Scott-Knott, P <0.05).
Fig. 1 in The effect of water pH on the incubation and larviculture of curimbatá Prochilodus lineatus (Valenciennes, 1837) (Characiformes: Prochilodontidae)
Fig. 1. Experimental design elaborated for the incubation and larviculture stages of Prochilodus lineatus. 1 In the treatments tested in the larviculture, the first number represents the incubation pH history and the second the pH in which the larviculture took place. The larviculture treatments will be described in this fashion throughout the text. * Treatment not accomplished due to an almost total mortality in the incubation stage.
Fig. 4 in Effect of anesthetic, tag size, and surgeon experience on postsurgical recovering after implantation of electronic tags in a neotropical fish: Prochilodus lineatus (Valenciennes, 1837) (Characiformes: Prochilodontidae)
Fig. 4. Effect of incision size (cm) and duration of surgery (s) on wound area (cm2) one week after surgical implantation of telemetry transmitters in Prochilodus lineatus.
Fig. 5 in Effect of anesthetic, tag size, and surgeon experience on postsurgical recovering after implantation of electronic tags in a neotropical fish: Prochilodus lineatus (Valenciennes, 1837) (Characiformes: Prochilodontidae)
Fig. 5. Surgical/postsurgical ranking of Prochilodus lineatus over four weeks. Black: poor; gray: average; and light gray: good.
FIGURE 2 in Different stocks of Prochilodus lineatus along the Cinzas River basin: contributions from a free-flowing tributary in the Capivara Reservoir region, Paranapanema River basin (upper Paraná River)
FIGURE 2 | Results of Bayesian clustering analysis (STRUCTURE) forProchilodus lineatus samples obtained along in Laranjinha River (L1–L4), Cinzas River main channel (CI), Capivara Reservoir (CA), Tibagi River (TI) and a restocking event (ST). Estimates of the number of K groups based on mean likelihood Ln(K) (A) and ∆K statistic (B). Graphical representation based on K = 3 (C). Each column represents a different individual and the colors represent the probability membership coefficient of that individual for each genetic cluster.
FIGURE 1 in Different stocks of Prochilodus lineatus along the Cinzas River basin: contributions from a free-flowing tributary in the Capivara Reservoir region, Paranapanema River basin (upper Paraná River)
FIGURE 1 | Sampling locations for Prochilodus lineatus along the Capivara Reservoir region (Paranapanema River basin), including the Laranjinha River (L1–L4), Cinzas River main channel (CIU - upstream and CID - downstream from Salto Cavalcante falls), Capivara Reservoir (CA) and Tibagi River (TI), as well as the site (ST) of a restocking event in the Laranjinha River. Source: modified from Google Earth, 2018 (https://www.google.com.br/maps).
FIGURE 3 in Different stocks of Prochilodus lineatus along the Cinzas River basin: contributions from a free-flowing tributary in the Capivara Reservoir region, Paranapanema River basin (upper Paraná River)
FIGURE 3 | Results from mtDNA (D-Loop) of Prochilodus lineatus in Cinzas River basin, Capivara Reservoir and Tibagi River. A. Mismatch distributions of mitochondrial haplotypes for all samples. B. Haplotype network, including GenBank data revealing previous records of some haplotypes in Paraná River main channel (PR) and in the Pardo (PA), Mogi-Guaçu (MG), Verde (VE), Peixe (PE), Aguapeí (AG), and Iguaçu (IG) rivers. Circle sizes are proportional to haplotype frequency.
Fig. 6 in Body condition and energy density of juvenile streaked prochilod Prochilodus lineatus (Valenciennes, 1837) in a Neotropical floodplain
Fig. 6. Spearman rank correlations (rs) between the values of energy density (E D) versus relative condition factor (K n) (a), length standard (L s) (b) and weight total (W t) (c) of Prochilodus lineatus in the floodplain of the Upper Paraná River. The line represents the trend of significant Spearman correlations.
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