Uma lista de peixes recentes e fósseis da Ordem Characiformes é apresentada e acredita-
se que a lista esteja completa até 2022. Ao todo, 47 colaboradores verificaram e forneceram …

We provide a general compilation of the diversity and geographical distribution of
Amazonian fishes, updated to the end of 2018. Our database includes documented …

Although fishes have traditionally been the subject of comparative evolutionary studies, few
reports have concentrated on the application of multipronged modern molecular cytogenetic …

Although fishes exhibit the greatest biodiversity among the vertebrates, a large percentage
of this fauna is still underexplored on evolutionary cytogenetic questions, particularly the …

We present the first cytogenetic data for Lebiasina bimaculata and L. melanoguttata with the
aim of (1) investigating evolutionary events within Lebiasina and their relationships with …

Chromosomal rearrangements play a significant role in the evolution of fish genomes, being
important forces in the rise of multiple sex chromosomes and in speciation events. Repetitive …

Miniature fishes have always been a challenge for cytogenetic studies due to the difficulty in
obtaining chromosomal preparations, making them virtually unexplored. An example of this …

Guyana, located in northern South America north of Brazil between Venezuela and
Suriname, includes portions of the Orinoco, Amazon, and Courantyne river basins, a …

Lebiasinidae is a small fish family composed by miniature to small-sized fishes with few
cytogenetic data (most of them limited to descriptions of diploid chromosome numbers), thus …

The family Lebiasinidae includes a number of miniature and medium-sized fish species that
are endemic to the Neotropical region. Pyrrhulina is the second most speciose lebiasinid …