[PDF] Top 20 The ichthyofauna of drifting macrophyte mats in the Ivinhema River, upper Paraná River basin, Brazil

... Studies of drifting macrophyte mats are rare in the ...wind-drifted mats in Lake Malawi (Malawi-Mozambique-Tanzania) and captured 129 fish of 10 species ... See full document

... ECOLOGY OF THE ICHTHYOFAUNA OF A HEADWATER STREAM OF THE UPPER PARANÁ RIVER BASIN, ...conducted in the ichthyofauna of ... See full document

... occurs in upper Paraná River basin (Brazil) (Vari, ...absent in adults, species have long intestines and many gill rakers) to provide greater efficiency in ... See full document

... study the fish assemblages of the silted Águas Claras stream (AC) was compared with that of a reference, the São Carlos stream (SC), so as to identify potential fish indicators ... See full document

... 2009, in 27 streams located in the basins of the Meia Ponte (7 streams), Piracanjuba (14) and the Santa Maria Rivers (6), in southeastern of State of Goiás, ... See full document

... character in the systematics and alpha-taxonomy of electric fishes of the genus ...evidence of color variation in populations of G. pantanal found in ... See full document

... determining the distribution and composition of fish assemblages (Matthews, 1998; Jackson et ...However, in the present study we observed a weak correlation between selected environmental ... See full document

... during the entire sampling period, with a higher proportion of ...females. In a study about reproductive ecology of Astyanax fasciatus, Gurgel (2004) suggests that differences in sex ... See full document

... study the genetic variability of ten of the most abun- dant PR floodplain fish species, including Astyanax altiparanae (Garutti & Britski, 2000) which is one of the most ... See full document

... variability of three Gymnotus species from the Caracu stream, a small tributary of the left margin of Paraná River (Brazilian upper Paraná River ... See full document

... In the Barra Bonita Reservoir sampling was undertaken between July 2004 and June 2006 at three landing sites ...and the artisanal fishers at these sites operated throughout the reservoir ... See full document

... with the physical and chemical analyses; to Coordenadoria de Assistência Técnica Integral (CATI) - Votuporanga, SP, for the pluviometric data; to Lilian Casatti (DZSJRP), for valuable contribution to this ... See full document

... variations in food supply play a crucial role in the determination of the patterns of food use by fish ...variations in food utilization by small fish species of ... See full document

... total of 15 sampling campaigns were ...during the dry-season (June), from 2007 to 2009, and during the rainy-season, once a month from November through February, from 2007 to ...2010. The ... See full document

... about the genetic structure of Brazil- ian freshwater ...analyses in different migra- tory fish species ...but the results are still controversial. The occurrence of ... See full document

... problem in the Ivaí River basin, sport fishing contributes to the accidental or intentional introduction of ...species. In that basin, escapes from fish farms and ... See full document

... diverse in tropical and subtropical waters. It is important to note that the Paraná River basin harbours a very rich zooplanktonic fauna, in many cases associated to littoral ... See full document

... relationship of richness with volume of streams was expected, drawing an analogy with the island biogeography theory, once the volume of streams is a measure equivalent to the ... See full document

... fecundity of commercial native fish species from the São Francisco River basin, Brazil, under hatchery ...tactics of a Loricariidae species at Saraiva Lagoon, Ilha Grande ... See full document

... (bryophytes, macrophyte parts), terrestrial plants (seeds, fruits, higher plant leaves), and detritus/sedi- ment (amorphous organic material with an elevated content of mineral ...Most of the ... See full document