Abstract The Amazon River Basin contains the world's highest fish species diversity, with a
hydrologic cycle that creates a patchy distribution of floodplain lakes at low water and affords …

Peacock bass (Cichla spp.) originates from the Neotropical environments of Brazil and
Venezuela but, through trade and smuggling for aquarium keeping, sport fishing and …

Inter‐basin water transfers create new pathways between previously disjunct systems and
communities. If fish movement occurs, it can lead to invasion or altered regional connectivity …

Species are fundamental units in many biological disciplines, but there is continuing
disagreement as to what species are, how to define them, and even whether the concept is …

Aim Among the main biogeographical hypotheses explaining the remarkable diversity of
fishes in the Neotropics is the “palaeogeographical hypothesis”, focusing on vicariance, and …

Arapaima, pirarucu or paiche (Arapaima gigas) is one of the largest freshwater fish in the
world, and has a long history of commercial exploitation in the Amazon region. To estimate …

In the present study, sequences of the mtDNA control region (834 bp) were analyzed from
337 specimens of Prochilodus nigricans from sites along the main channel of the Amazonas …

A new species of peacock bass, Cichla cataractae, is distinguished from all congeners by
molecular evidence and unique patterns of adult and juvenile pigmentation. Juveniles (< …

The adaptative responses and divergent evolution shown in the environments habited by
the Cichlidae family allow to understand different biological properties, including fish genetic …

The migratory catfish Brachyplatystoma vaillantii is one of the most important fishery
resources in the Amazon. Intense capture occurs associated to its life cycle. In order to know …