Results 1 to 10 of about 4,281 (217)

Phylogeography of Hypostomus strigaticeps (Siluriformes: Loricariidae) inferred by mitochondrial DNA reveals its distribution in the upper Paraná River basin [PDF]

open access: yesNeotropical Ichthyology, 2013
In this study, phylogenetic and phylogeographic analyses of populations identified as Hypostomus strigaticeps from the upper Paraná River basin were conducted in order to test whether these different populations comprises cryptic species or structured ...
Rafael Splendore de Borba   +5 more
doaj   +2 more sources

Stream fish fauna from the tributaries of the upper Itapetininga River, upper Paranapanema River basin, state of São Paulo, Brazil [PDF]

open access: yesCheck List, 2016
The study area, which is located in urban and rural areas within the upper Paranapanema River basin, is undergoing several types of anthropogenic and non-anthropogenic impacts, such as chemical alterations, habitat disruption, and biological invasions ...
Vitor Cerqueira   +5 more
doaj   +4 more sources

Population structure analysis of Pimelodus maculatus (Pisces, Siluriformes) from the Tietê and Paranapanema Rivers (Brazil) [PDF]

open access: yesGenetics and Molecular Biology, 2003
Pimelodus maculatus populations from the Tietê and Paranapanema rivers were sampled and had their genetic structure analyzed by using RAPD markers, with the aim of contributing to future conservation studies.
Fernanda Simões de Almeida   +2 more
doaj   +4 more sources

Chromosome comparison among five species of Neotropical cichlids of Cichlasoma and Gymnogeophagus (Perciformes) [PDF]

open access: yesGenetics and Molecular Biology, 2020
The genera Cichlasoma and Gymnogeophagus belong to the subfamily Cichlinae, the only one in Neotropical cichlids. Cichlasoma dimerus, C. paranaense, C. portalegrense, Gymnogeophagus rhabdotus, and G.
Larissa Bettin Pires   +3 more
doaj   +2 more sources

Expanding the geographical distribution of Astyanax biotae Castro & Vari, 2004 (Characiformes, Characidae), with comments on its conservation status [PDF]

open access: yesCheck List, 2018
Astyanax biotae Castro & Vari, 2004 was only known from the type locality, a first-order stream from the lower Paranapanema River, a left bank tributary from the upper Paraná river basin. We report A.
Carlos Alexandre Miranda Oliveira   +2 more
doaj   +3 more sources

Fish fauna of headwater streams that cross the Atlantic Forest of south São Paulo state [PDF]

open access: yesCheck List, 2012
The fishes of the present study were collected in the headwater streams of the Sorocaba, Paranapanema and Ribeira de Iguape river basins during the dry period in 2010. A total of 2892 fishes, grouped in 53 species, were captured.
Mauricio Cetra   +5 more
doaj   +3 more sources

Diversidade genética de pacu do Rio Paranapanema e do estoque de um programa de repovoamento Genetic diversity of pacu from the Paranapanema River and from the broodstock of a stock enhancement program

open access: yesPesquisa Agropecuária Brasileira, 2008
O objetivo deste trabalho foi estudar a diversidade genética das amostras de pacu do médio Rio Paranapanema e do estoque de reprodutores utilizado no programa de repovoamento da Estação de Aqüicultura e Hidrologia da usina hidrelétrica Duke Energy, por ...
Jayme Aparecido Povh   +7 more
doaj   +1 more source

Impoundments facilitate a biological invasion: Dispersal and establishment of non-native armoured catfish Loricariichthys platymetopon (Isbrückler & Nijssen, 1979) in a neotropical river. [PDF]

open access: yes, 2016
Where dam construction eliminates natural barriers to fish movement between previously disconnected catchments then this presents an opportunity for the movement of species between previously discrete assemblages.
Agostinho   +29 more
core   +1 more source

Pisces, Siluriformes, Ictaluridae, Ictalurus punctatus (Rafinesque, 1818): first record in middle Paranapanema river reservoir, aquaculture and exotic species dispersion [PDF]

open access: yesCheck List, 2010
This is the first report of Ictalurus punctatus in the middle Paranapanema river basin; the occurrence of this species may be associated with the expansion of pisciculture in cage farms in the Brazilian territory as a whole.
Augusto Zanatta   +4 more
doaj   +3 more sources

Influence of a cage farming on the population of the fish species Apareiodon affinis (Steindachner, 1879) in the Chavantes reservoir, Paranapanema River SP/PR, Brazil. [PDF]

open access: yes, 2012
AIM: The aim of the present study was to evaluate the diet and biological attributes of the population of Apareiodon affinis residing near net-cage fish farming activities in the Chavantes reservoir. METHODS: Samples were collected from two populations:
Brandão, Heleno   +6 more
core   +1 more source

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