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 …

The fish faunas of continental South and Central America constitute one of the greatest
concentrations of aquatic diversity on Earth, consisting of about 10 percent of all living …

The lateral-line system has been traditionally recognized as an important source of
phylogenetic information for different groups of fishes. Although extensively studied in …

Priocharax nanus, new species, is described from the rio Negro, Brazil. It is a miniature fish
that retains as an adult the larval rayless pectoral fin, a diagnostic character of the genus …

Most fishes must face their environment alone in the early stages of life. The overall
sequence of bone appearance is related to functional demands of the early developmental …

Hydropower plants represent one of the greatest threats for freshwater fish by fragmenting
the habitat and avoiding the species dispersal. This type of dispersal barrier is often …

Trochilocharax ornatus gen. et spec. nov.–a new, small (up to 17.0 mm SL) characid fish
from Peru is described. Presumably it has an internal insemination. The new genus and …

A new species of Xenurobrycon isdescribed from tributaries of the rio Tapajós, Pará, Brazil. It
is diagnosed from all congeners by the dark color of the posterior half of both caudal-fin …

O sistema látero-sensorial dos peixes é responsável, dentre outras funções, pela percepção
de vibrações e de movimentos na água. A unidade funcional desse sistema é denominada …

As espécies de Xenurobrycon possuem notáveis novidades evolutivas ligadas a caracteres
sexuais secundários e importantes características redutivas decorrentes do processo de …