[PDF] Top 20 The fish fauna of the Jacaré-Guaçu River basin, Upper Paraná River basin

... The Jacaré-Guaçu River, focus of this study, is one of the main tributaries of the right margin of the Tietê River, one of ... See full document

... Comparing the mid and lower stretches of the river, the higher ichthyofauna richness found at the middle section (Sa˜o Joaquim) may be explained by local aquatic conditions with ... See full document

... The Upper Paraná River basin is considered an area of endemism for many fish groups, the result of a formidable geographical barrier, until recently formed ... See full document

... Studies of drifting macrophyte mats are rare in the ...129 fish of 10 species (average of 22 individuals/mat and 2 species/ ...286 fish of 39 species in 8 drifting mats in ... See full document

... for the nine long-distance migratory fish species analyzed, which separated them into four distinct morphological groups, may indicate the existence of differences in the swimming ... See full document

... for fish conservation and management. The lower stretch of Ipanema River is one of much transitional environments between streams and large rivers of upper Paraná ... See full document

... in the Ivaí River is the careless release of thousands of fingerlings of the species of sport fishes, ...by the population, this practice is stated by ... See full document

... species of the family Curimatidae, which can vary from 4,380 to 100,130 oocytes (Nomura & Taveira, 1979; Romagosa et ...as the oocyte diameters, that ranges from 427 to 4,789 µm in high ... See full document

... to the maintenance of a specific biota (Garavello & Garavello ...2004). The suppression and/or simplification of these areas by dam-buildings is undeniably associated to biological ... See full document

... deficient. The cave fishes Ancistrus formoso Sabino & Trajano 1997 and Trichomycterus dali Rizzato, Costa, Trajano & Bichuette 2011 are listed as ...in the Paraná River basin, ... See full document

... Among the various families of fishes found in the upper Parana River, Characidae is the most diverse among the Characiformes, in which the genre Bryconamericus ... See full document

... in the sampled region, suggesting that these environmental descriptors can act as triggers to ...exclude the positive effect of increase in net productivity offering better conditions for ovarian ... See full document

... Species of the armored catfish genus Hypostomus (Siluriformes, Loricariidae) feed mainly on rock bottoms by scraping the substratum (Delariva and Agostinho, 2001) and present the ... See full document

... streams of the city of Dourados, Ivinhema River basin, Felipe and Súarez (2010) observed that sites with higher level of urbanization presented predominance of Astyanax ... See full document

... each of the three basins considered (Tab. I). The first analysis was performed considering observed richness as a dependent variable, stream order as a fixed effect and basin and abundance as ... See full document

... populations of Prochilodus marggravii in the São Francisco River Basin, revealed that the fish collected close to Três Marias Dam have a higher similarity coefficient than those ... See full document

... understanding of the changes that have occurred in the sábalo fishery must also take into account the hydrological conditions as they influence on the larvae abundance (Fuentes & ... See full document

... with the species identifica- tion, the landowners for providing permission to conduct research on their properties, IBAMA for the collecting license ...including the authors scholarships; ... See full document

... State fish fauna is relatively well known (Langeani et ...group of species, some of which still undescribed, and further detailed analysis based on larger and more complete sample series may ... See full document

... representatives of different populations (Martins et al., 2003). Due to the great hydroelectric poten- tial of the Upper Paraná River basin, the physical ... See full document