The Ancistrus genus differs from other Ancistrini due to its wide karyotypic diversity, varied
diploid numbers, differences in sex chromosomes, and large number of species, as well as …

Abstract Background Several Trypanosoma species transmitted by leeches infect marine
and freshwater fish worldwide. To date, all South American fish trypanosome species …

The evolution of complex traits in heterogeneous environments may shape the order of
genes within chromosomes. Drosophila pseudoobscura has a rich gene arrangement …

Fluorescence in situ hybridization (FISH) allows identification of particular chromosomes
and their rearrangements. Using FISH with signal enhancement via antibody amplification …

In the Amazon, some species of Loricariidae are at risk of extinction due to habitat loss and
overexploitation by the ornamental fish market. Cytogenetic data related to the karyotype …

Gymnotidae is a family of electric fish endemic to the Neotropics consisting of 2 genera:
Electrophorus and Gymnotus. The genus Gymnotus is widely distributed and is found in all …

Hypostominae is the largest subfamily of Loricariidae, and is widely distributed throughout
the Neotropic. In the present article, we analyze three Loricariidae species that were …

Farlowella is one of the most diverse genera of the Loricariinae, restricted to South America
rivers. The taxonomic and phylogenetic relationships among its species are contentious …

Loricariidae family comprises the greatest variability of Neotropical catfish species, with
more than 800 valid species. This family shows significant chromosomal diversity. Mapping …

Despite conservation of the diploid number, a huge diversity in karyotype formulae is found
in the Ancistrini tribe (Loricariidae, Hypostominae). However, the lack of cytogenetic data for …