Geological and climatic events are widely understood to affect biodiversity, especially in the
species-rich rainforests of Greater Amazonia, yet similar studies have lagged in less diverse …

The history of knowledge about Amazonian biogeography is as rich as its fish community,
and a fascinating theme of study in itself. Several current paradigms and controversies about …

We assessed the presence of independent evolving lineages of the trahira, Hoplias
malabaricus, one of the few freshwater fish species having wide distribution in the …

Aim The astonishing diversity of Neotropical fishes results from historical and ecological
processes intrinsically related to the geomorphological evolution of this region. Headwater …

The restricted range, taxonomic uncertainties and the apparent phylopatric behavior of
Parotocinclus (dwarf plecos) make this fish group an excellent model to infer diversification …

Wallinia caririensis n. sp. is described from the intestine of Astyanax bimaculatus (Linnaeus,
1758)(Characidae) collected in the Batateiras River in the municipality of Crato, Ceará state …

Distributional, phylogenetic, molecular, and paleontological data may be integrated to
discover biogeographic patterns exhibited by the organisms. Cladistic biogeography uses …

The early development of Markiana nigripinnis is described by morphological characters,
pigmentation, and morphometry. Larvae were obtained through semi-natural breeding …

Although former studies on systematics and biogeography represent a progress on the
knowledge of the tribe Glandulocaudini, none was grounded on molecular evidence. Thus …

Hydrodynastes bicinctus was described with no type material or locality and it has two
subspecies currently recognized that are not taxonomically well defined. We tested the …