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66 results for “Prochilodontidae”
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. 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. 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. 8 in Ultrastructure of the Plasmodial Development of Myxobolus insignis (Myxozoa), Infecting the Amazonian Fish Semaprochilodus insignis (Prochilodontidae)
Fig. 8. Schematic drawing of the plasmodial evolution of the periphery of plasmodia (P) of Myxobolus insignis n. sp. showing the differentiation of the plasmalemma during the three stages (a – Stage 1; b – Stage 2 and c – Stage 3) during sporogenesis (Fb – fibroblasts, P – plasmodia, Ve – vesicles, * – collagen fibres).
Figs 1–4 in Ultrastructure of the Plasmodial Development of Myxobolus insignis (Myxozoa), Infecting the Amazonian Fish Semaprochilodus insignis (Prochilodontidae)
Figs 1–4. Light and ultrastructural aspects of the periphery of plasmodia of Myxobolus insignis infecting the freshwater teleost Semaprochilodus insignis from the Amazon River, showing the evolution of the plasmalemma during the three phases. 1 – light micrograph showing the smooth plasmalemma (arrowheads) of the plasmodium (P) in contact with the surrounding cells of the host (H). This aspect corresponds to stage 1 of the plasmodium development; 2 – ultrastructural aspect of the area boxed in Fig. 1, observed with higher magnification showing several collagen fibres (Cg) at the periphery of the plasmodium (P) and some vesicles (Ve) in the cortical zone of the plasmodium; 3 – light micrograph showing the plasmalemma containing several small microvilli (arrowheads). Internally, some immature (iS) and mature spores (mS) and vesicles are present and, externally, a layer of collagen fibres (Cg). This aspect corresponds to stage 2 of the plasmodium development; 4 – ultrastructural aspect of the plasmalemma and their microvilli (arrowheads) in contact with surrounding fibroblasts (Fb). Among the microvilli numerous collagen fibres are present. The cortical zone of the plasmodium (P) contains numerous vesicles (Ve), some of which seem to fuse with the plasmalemma.
Figs 5–7 in Ultrastructure of the Plasmodial Development of Myxobolus insignis (Myxozoa), Infecting the Amazonian Fish Semaprochilodus insignis (Prochilodontidae)
Figs 5–7. Ultrastructural aspects of the periphery of the plasmodia (P) of Myxobolus insignis n. sp. infecting the freshwater teleost Semaprochilodus insignis from the Amazon River showing the different aspects of the microvilli (arrowheads) and collagen fibre arrangements (Cg) located among the fibroblasts (Fb), some of which are showing their nuclei (Nu). The cortical zone of the plasmodium contains numerous vesicles (Ve).
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 4 in Temporal genetic structure of a stock of Prochilodus lineatus (Characiformes: Prochilodontidae) in the Mogi-Guaçu River ecosystem, São Paulo, Brazil
FIGURE 4 | Bayesian skyline plot (BSP) showing change in effective population size of Prochilodus lineatus in Feb_15 group from Cachoeira de Emas in the Mogi-Guaçu River based on Dloop marker. The y-axis, population size × generation time*; x-axis, time (indicated in thousands of years ago). *Generation time measured in million years. Solid lines represent median estimates, and shaded areas represent the 95% HPD limits.
FIGURE 3 in Temporal genetic structure of a stock of Prochilodus lineatus (Characiformes: Prochilodontidae) in the Mogi-Guaçu River ecosystem, São Paulo, Brazil
FIGURE 3 | Median-joining network of Prochilodus lineatus, based on haplotypes of D-loop marker. Sizes of the circled are proportional to the frequencies of the haplotypes at issue. The colors indicate the groups according to the collections: red circles: Sep_03; yellow circles: Jan_05; purple circles: Aug_05; blue circles: Jan_06; pink circles: Jan_09; green circles: Sep_10; pastel pink circles: Feb_15. Hatch marks represent the number of mutations by which haplotypes differ.
FIGURE 1 in Temporal genetic structure of a stock of Prochilodus lineatus (Characiformes: Prochilodontidae) in the Mogi-Guaçu River ecosystem, São Paulo, Brazil
FIGURE 1 | Map of the State of Sao Paulo showing the main components of the hydrographic system in the Southeast of Brazil. In detail square, the collection site of samples located in Cachoeira de Emas, Pirassununga-SP. The Mogi-Guaçu River is a component of the Upper Paraná River basin.
FIGURE 2 in Temporal genetic structure of a stock of Prochilodus lineatus (Characiformes: Prochilodontidae) in the Mogi-Guaçu River ecosystem, São Paulo, Brazil
FIGURE 2 | Graph of the Bayesian analysis of population structure of microsatellites for Prochilodus lineatus. A. Delta(k) showing the highest value in a population structure of K = 3; B. The estimated mean log-likelihoods [ln(PrK)]; C. Structure bar plot. Black lines separate the different sampled populations based on temporal collection.
Fig. 2. Karyotypes treated with the C-banding technique. a in Karyotypic characterization of Prochilodus mariae, Semaprochilodus kneri and S. laticeps (Teleostei: Prochilodontidae) from Caicara del Orinoco, Venezuela
Fig. 2. Karyotypes treated with the C-banding technique. a) Prochilodus mariae - "B" indicates a supernumerary microchromosome; b) Semaprochilodus kneri; and c) Semaprochilodus laticeps.
Fig. 1 in Karyotypic characterization of Prochilodus mariae, Semaprochilodus kneri and S. laticeps (Teleostei: Prochilodontidae) from Caicara del Orinoco, Venezuela
Fig. 1. Karyotypes of: a) Prochilodus mariae with 2n=54 chromosomes plus two supernumerary microchromosomes (B); b) Semaprochilodus kneri with 2n=54 chromosomes; and c) Semaprochilodus laticeps with 2n=54 chromosomes. In the insets, silver stained chromosomes with the nucleolus organizer regions in pair 2. Bars = 10 µm.
Spacial and temporal genetic pattern of Semaprochilodus insignis (Prochilodontidae), the most popular fish from the Amazon basin
<p>Dataset of 8 genotyped microsatellite loci for 180 individuals of Semaprochilodus insignis from 11 locations in the Amazon basin.</p>
Fig 1 in Toxicity of cryoprotectants on Prochilodus lineatus (Valenciennes, 1837) (curimba) embryos in an experimental incubator (Characiformes: Prochilodontidae)
Fig 1. Representative image of the experimental incubators.
Fig. 2 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. 2. Examples of tag expulsion (left) and antenna migration (right) of Prochilodus lineatus.
Fig. 3 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. 3. Healthy (left) and infected (right) viscera on necropsy of Prochilodus lineatus.
Fig. 1 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. 1. Criteria and examples for the surgical and postsurgical rankings.
Fig. 3 in Upstream and downstream migration speed of Prochilodus costatus (Characiformes: Prochilodontidae) in upper São Francisco basin, Brazil
Fig. 3. Comparison of average up-river migration speed of Prochilodus costatus in a. males and females, b. river stretches for fish captured in the Pará River, c. fish captured in the Pará River and São Francisco River in S2, and d. migration intervals in S2. Bars represent the standard deviation. Different letters denote statistically significant differences in migration speed. S1 and S2: river stretches.
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