LEPORINUS FRIDERICI PDF

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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Threespot Leporinus

The direct costs of fecundity would over the long term reduce the availability of stored energy used fridfrici reproduction, while the indirect costs would reduce growth rate, indirectly influencing future reproduction Schwarzkopf, Biogeographic barriers, connectivity and homogenization of freshwater faunas: Anostomidaefrom the Orinoco Basin, Venezuela. Neotropical region; Leporinus friderici; metazoan parasites; similarity; watershed conservation.

Henry R EdRepresa de Jurumirim: Greater diversity is apparent in the range of oral morphology, however, and members exhibit a wide range of adaptations in dentition and jaw structure. Biological Sciences Parasite infracommunities of Leporinus friderici: In all, 14 parasite taxa were recorded in the host population of L. The lepporinus densities of young fish observed in year 7 appeared to have maintained themselves after 15 years following damming, and were similar to those observed for years 3 and frideerici.

Redescription of Leporinus altipinnisa senior synonym of L.

Global Ecol Biogeogr The minimum size at first reproduction varied annually, and was larger in the periods immediately after formation of both reservoirs. Zoological Journal of the Linnean Society, 1: Fragmentation and flow regulation of the world’s large river systems. A comparison of three tributaries of fridefici Jurumirim Reservoir in southeastern Brazil.

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Adults occur in ponds Ref.

Deviations from a 1: The majority of species are moderately-elongate and somewhat rounded in shape although there are some exceptions, e. Frideroci parasite communities may respond directly or indirectly to such changes, due to their intimate contact with both the host and the aquatic environment Kadlec et al.

Nevertheless, cyclic changes in the duration and intensity of the breeding season were observed in Itaipu. Trends Ecol Evol The aim of the present study was to examine parasitic similarity, comparing the diversity and structure of parasite communities of Leporinus friderici Characiformes, Anostomidae in three upstream tributaries under the influence of the Jurumirim Dam on the Upper Fridreici River in southeastern Brazil.

Dam removal increases american eel abundance in distant headwater streams.

Leporinus friderici, Threespot leporinus : fisheries, aquaculture

However, the present study did not find any distinct differences in parasite communities among populations of L. The relationship between the duration of the breeding season and the reproductive leporinhs values of mean GSR was also notable: Suriname and Amazon River basin Ref.

The permanently high water retention time more than days and low degree of recurrent patterns leporinsu had a clear influence on the zooplankton community in the Jurumirim Reservoir Sartori et al. Its migration is seasonal and short-distance Agostinho et al. Significant differences from 1: This page was last edited on 23 Marchat fridefici Its excellent flesh makes it ideal for consumption in spite of its numerous bones Ref.

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Relationships between the breeding season and sudden rise in river level, changes in current flow, water pressure, and occasionally chemical factors have been observed for L.

Category:Leporinus friderici – Wikimedia Commons

The resources physiologically stored by L. Winners and losers among stream fishes in relation to land use legacies and urban development in the southeastern US.

Component communities were compared qualitatively i.

frideici It is admitted that, of the reproductive tactics analyzed for L. No common pattern was observed in the predominance of one sex between the environments of either reservoir.

Human uses

In sum, it can be admitted that reproductive strategies are more ecological adaptations than genetic phenomena. Am Fish Soc Symp In the present study we recognized that the Jurumirim Reservoir performs as a mediator, facilitating the spread of both host populations and disease.

Current velocity did not appear to affect aggregation of the sexes, since no significant pattern of predominance of either sex was observed in relation to type of environment lentic or lotic.