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]
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]
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]
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 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]
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
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]
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
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
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 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

