Leporinus frederici (Bloch, ) Leporinus friderici friderici (Bloch, ) Salmo friderici Bloch, BioLib link: Leporinus friderici · FishBase. Dorsal soft rays (total): 12; Anal soft rays: Scales in lateral line 35 + circumpeduncular 16; profile over orbits flat; teeth in the upper jaw 4 + 4, the cutting. Leporinus friderici (Bloch, ) (Characiformes, Anostomidae) is a freshwater fish commonly called “piava” or “piau-três-pintas” widely.
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The relationship between the duration of the breeding season and the reproductive intensity values of mean GSR was also notable: All these are key factors which maintain parasite dynamics. Services on Demand Journal. Maximum Standard Length — mm. Cambridge University Press, p. Annu Rev Ecol Evol Syst Unfortunately, with increasing worldwide demand for water and electricity, dam construction is inevitable and results in simplified natural landscapes, homogenizing the regional distinctiveness of natural disturbance dynamics RahelOlden et al.
Leporinus friderici, Threespot leporinus : fisheries, aquaculture
Fragmentation and flow regulation of the world’s large river systems. Anostomidae with description of a new species from Suriname.
It is admitted that, of the reproductive tactics analyzed for L. Phylogenetic signal in module composition and species connectivity in compartmentalized host-parasite networks. The loss of complex life-cycle parasite taxa e.
The reproductive strategy of a species depends upon the interaction between intrinsic and extrinsic factors. Pairing is distinct during copulation Ref.
Arrhinolemur scalabrinii Ameghino,of the late Miocene – a taxonomic journey from the Mammalia to the Anostomidae Ostariophysi: Thus, parasites can have a colonizing ability independent of the vagility of the fish host, a fact that increases peporinus among communities. Reid for the translate the text into English. A New Species of Leporinus Characiformes: The worldwide demand for water and power generation has dramatically increased the risks for freshwater ecosystems.
River Res Appl The relationship between breeding sites and season and the well-being of the species, interpreted as the values of the condition factor Kwas different in the two reservoirs Figs. Overall, the results suggest that fish parasite assemblages can provide suitable data for evaluating biotic frideeici caused by dams. Lepoirnus primarily on ldporinus, seeds and termites. All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License.
The EstimateS program was used to estimate parasite species richness for each host population see Colwell and Coddington Parasite infracommunities of Leporinus friderici: However, how can dams affect the parasitic fauna of these fish?
To date, most efforts to quantify faunal homogenization in freshwater ecosystems has focused on fish assemblages. Young specimens were considered as those with immature gonads, and adults those with gonads in later stages of maturation. EdsMigratory fishes of Frlderici America: Most hosts were parasitized by one species Figure 2.
The present study did not find any significant differences in parasite communities among populations of L. Winners and losers among stream fishes fdiderici relation to land use legacies and urban development in the southeastern US. The small pairwise regional differences in species composition spatial turnover may represent a homogenization of parasite faunas among tributaries under the influence of the Jurumirim dam. The degradation and homogenization of natural habitats is considered a major cause of biotic homogenization.
This condition has been commonly observed for leporinjs fish species Santos et al. Short description Morphology Morphometrics Dorsal soft rays total: Paleontological Statistics software package for education and data analysis.
In Itaipu, following a gradual reduction in size, an increase and stabilization in mean length at first gonadal maturation were observed in the last three years studied years 6, 7, and Redescription of Leporinus altipinnisa senior synonym of L. The breeding season established for L. Collections were made monthly in both the pre-closure April-August and the post-closure September August phases. An analysis of similarity ANOSIM using the Jaccard index qualitative and the Bray-Curtis index quantitative was performed with 10, permutations to test the null hypothesis of no difference in the composition and abundance of the parasite community of L.
The resources physiologically stored by L. Although adult individuals were abundant in Itaipu, the largest catches of young lepoinus were recorded in year 3, 7, and 15 following reservoir formation Figs.
Vagility is an important host trait that influences the structure and composition of parasite communities from different locations. Samplings of hosts were carried out between April and June using gillnets of different mesh sizes and with standardized effort in three upstream tributaries under the influence of the Jurumirim Dam: For this purpose, more reservoirs have been built in recent years, raising concern over biological conservation.
This might be explained by three suppositions: In sum, it frkderici be admitted that reproductive strategies are more ecological adaptations than genetic phenomena. Hydropower and the future of Amazonian biodiversity.