Results 1 to 10 of about 207 (67)

Cage culture with tilapia induces alteration in the diet of natural fish populations: the case of Auchenipterus osteomystax [PDF]

open access: yesBrazilian Journal of Biology, 2010
Fish rearing in cages installed in reservoirs has developed rapidly in Brazil over the last decade. However, this type of aquaculture induces some changes in the environment because of the high quantity of nutrients released into the surroundings.
L. Strictar-Pereira   +2 more
doaj   +5 more sources

Three new species of Creptotrema (Trematoda, Allocreadiidae) with an amended diagnosis of the genus and reassignment of Auriculostoma (Allocreadiidae), based on morphological and molecular evidence [PDF]

open access: yesParasite, 2021
Diversity of Creptotrema was investigated using morphological and molecular tools, including data for Creptotrema creptotrema (type-species). Three new species, parasites of Brazilian fishes, are described: Creptotrema conconae n. sp.
Franceschini Lidiane   +5 more
doaj   +2 more sources

Dactylogyridae (Monogenoidea, Polyonchoinea) from the gills of Auchenipterus nuchalis (Siluriformes, Auchenipteridae) from the Tocantins River, Brazil [PDF]

open access: yesParasite, 2020
Two species of Cosmetocleithrum Kritsky, Thatcher & Boeger, 1986 (both new) and two species of Demidospermus Suriano, 1983 (one new) are reported from the gills of the catfish Auchenipterus nuchalis, popularly known as “mapará”, from the Tocantins River ...
Cohen Simone C.   +3 more
doaj   +2 more sources

A new species of Demidospermus Suriano, 1983 (Monogenea) parasite of gills of Auchenipterus osteomystax (Auchenipteridae), from the upper Paraná river floodplain, Brazil - DOI: 10.4025/actascibiolsci.v32i1.3368

open access: yesActa Scientiarum: Biological Sciences, 2009
A new species of Demidospermus Suriano, 1983 is described from the gills of Auchenipterus osteomystax Miranda-Ribeiro, 1918 (Auchenipteridae), collected in the upper Paraná river floodplain, Brazil.
Fernando de Castro Tavernari   +3 more
doaj   +5 more sources

Effects of impoundment on the body condition of fish in the Manso reservoir, Mato Grosso State, Brazil [PDF]

open access: yesActa Limnologica Brasiliensia, 2014
AIM: This study evaluated the body condition de Acestrorhynchus pantaneiro, Auchenipterus osteomystax, Pimelodus maculatus, Psectrogaster curviventris and Schizodon borellii in the Manso reservoir, Mato Grosso State, Brazil, during the first years after ...
Sandra Maria Lopes de Moura   +2 more
doaj   +2 more sources

Caracterização do desenvolvimento inicial de Auchenipterus osteomystax (Osteichthyes, Auchenipteridae) da bacia do rio Paraná, Brasil

open access: yesActa Scientiarum: Biological Sciences, 2008
O objetivo deste trabalho é caracterizar o desenvolvimento inicial de Auchenipterus osteomystax (Ribeiro, 1918) (Osteichthyes, Auchenipteridae). O material analisado é proveniente de amostras coletadas no plâncton no alto rio Paraná, rio Ivaí, alto rio ...
Andréa Bialetzki   +7 more
doaj   +4 more sources

Fish larvae from the upper Paraná River: do abiotic factors affect larval density? [PDF]

open access: yesNeotropical Ichthyology
The purpose of this study was to evaluate the role of abiotic factors on fish larvae occurrence. Samplings were carried out monthly at 12 stations (grouped in four areas) in the Amambaí, Ivaí and Paraná rivers and in the Itaipu Reservoir (upper Paraná ...
Gilmar Baumgartner   +5 more
doaj   +2 more sources

Parasites of Auchenipterus osteomystax (Osteichthyes, Auchenipteridae) from two different environments, Rosana’s reservoir and upper Paraná river floodplain, Brazil - DOI: 10.4025/actascibiolsci.v31i1.833

open access: yesActa Scientiarum: Biological Sciences, 2009
Surumanha, Auchenipterus osteomystax Miranda-Ribeiro, 1918 is an insectivorous species that inhabits benthopelagic freshwater environments. In order to know the parasitic fauna and aspects of the host-parasite relationship in surumanhas from Rosana’s ...
Fernando de Castro Tavernari   +5 more
doaj   +5 more sources

Impoundment effects in the population of Auchenipterus osteomystax (Siluriformes: Auchenipteridae): a Neotropical reservoir case

open access: yesRevista de Biología Tropical, 2012
New impoundments provide opportunities to check whether species that present enough feeding flexibility in natural conditions may take advantage of this situation and, without reproductive restriction, can occupy the most conspicuous habitat in a large ...
Elcio Barili   +3 more
doaj   +5 more sources

A new species of Demidospermus Suriano, 1983 (Monogenea) parasite of gills of Auchenipterus osteomystax (Auchenipteridae), from the upper Paraná river floodplain, Brazil = Uma nova espécie de Demidospermus Suriano, 1983 parasita de brânquias de Auchenipterus osteomystax da planície de inundação do alto rio Paraná

open access: yesActa Scientiarum: Biological Sciences, 2010
A new species of Demidospermus Suriano, 1983 is described from the gills of Auchenipterus osteomystax Miranda-Ribeiro, 1918 (Auchenipteridae), collected in the upper Paraná river floodplain, Brazil.
Fernando de Castro Tavernari   +3 more
doaj   +1 more source

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