The Heptapteridae family is endemic to the Neotropics and is one of the most representative
members of the Siluriformes order in small bodies of water. Due the lack of data for clearly …

The catfish family Heptapteridae (order Siluriformes) is endemic to the Neotropics and is one
of the most common of the fish families in small bodies of water. Although over 200 species …

The family Loricariidae with 813 nominal species is one of the largest fish families of the
world. Hypostominae, its more complex subfamily, was recently divided into five tribes. The …

The Neotropical fish Heptapterus mustelinus, collected in the Pindorama stream of the upper
Paraná River basin (Brazil), was studied cytogenetically, verifying 54 chromosomes (26m+ …

Heptapteridae is one of the fish families of the order Siluriformes with a wide distribution
throughout the basins of the Neotropical region. The genera Imparfinis and Pimelodella …

Several neotropical Siluriformes groups suffered important taxonomic revisions based on
the evaluation of morphological and molecular characteristics that allow the construction of …

Among catfish species of the genus Rhamdia reported for the Brazilian territory, R. quelen is
the most widespread, being found in nearly all hydrographic basins of Brazil. Nowadays, R …

Cytogenetic analyses were carried out in five species of Pimelodella from the main sub-
basins of Upper Paraná River and Paraíba do Sul River. The diploid number ranged from …

Pimelodella is one of the genera belonging to the family Heptapteridae consisting of
endemic neotropical fishes; it has shown a wide variability in karyotype. The present study …

Cytogenetic analyses performed in Cephalosilurus apurensis, Microglanis aff. cottoides and
Pseudopimelodus bufonius revealed that the three species have 2n= 54 chromosomes: C …