Results 91 to 100 of about 1,778 (170)
The existence of reproductive isolation between two morphs of catfish, endemic to the Iguaçu River (Brazil), was examined by enzyme starch gel electrophoresis.
Renesto Erasmo +2 more
doaj
Phylogeny and ultrastructure of Myxobolus rangeli n. sp. (Myxozoa, Bivalvulida), a histozoic parasite in Siluriformes fish from the Amazon region. [PDF]
Silva MFD +7 more
europepmc +1 more source
Karyotype variability in neotropical catfishes of the family Pimelodidae (Teleostei: Siluriformes)
Karyotypic data are presented for four species of fish belonging to the Pimelodidae family. These species show a conserved diploid number, 2n = 56 chromosomes, with different karyotypic formulae.
Américo Moraes Neto +6 more
doaj
Pimelodus britskii Garavello & Shibatta 2007
Published as part of Almirón, Adriana, Casciotta, Jorge, Pialek, Lubomir, Pimelodus, Oldrich Rican Abstract & The, Argentina., 2009, First record of Pimelodus britskii Garavello & Shibatta, 2007 (Siluriformes: Pimelodidae) in freshwaters of Argentina., pp.
Almirón, Adriana +4 more
openaire +2 more sources
Os objetivos deste trabalho são descrever a variação sazonal do Fator de Condição de Pimelodus maculatus no Rio Piracicaba (SP) e verificar se o ciclo sazonal de desenvolvimento ovariano exerce alguma influência significativa sobre a variação desse í ...
Sidnei Eduardo Lima-Junior +1 more
doaj
Karyotype variability in neotropical catfishes of the family Pimelodidae (Teleostei: Siluriformes)
Karyotypic data are presented for four species of fish belonging to the Pimelodidae family. These species show a conserved diploid number, 2n = 56 chromosomes, with different karyotypic formulae.
Américo Moraes Neto +6 more
doaj +1 more source
This paper describes the morphology of Cucullanus pinnai pinnai parasitizing Pimelodus maculatus in the Guandu River, Brazil, based on differential interference contrast (DIC) microscopy and scanning electron microscopy (SEM), providing new morphological
Vivian Suane de Freitas Vieira +2 more
doaj +1 more source
Damming rivers disrupts the water flow and changes the ichthyofauna organisation. We investigated an impoundment with permanent connection and homogeneous environmental conditions between the zones above and below the dam.
FG. Araújo, ABI. Santos, RJ. Albieri
doaj +1 more source
Pimelodus ornatus Kner 1858 Distribution Amazon, plus northern drainages, Paraná. Notes Barriga (1994).
Escobar-Camacho, Daniel +4 more
openaire +1 more source

