A checklist of recent and fossil fishes of the Order Characiformes is presented herein and
believed to be complete through 2022. A total of 47 collaborators checked and provided …

Neotropical tetras of the family Characidae form the largest and most taxonomically complex
clade within the order Characiformes. Previous phylogenetic relationships concur on the …

The morphology of paired fins is commonly overlooked in morphological studies, particularly
the pelvic girdle and fins. Consequently, previous phylogenetic studies incorporating …

Herein we describe two new species of Diapoma, one from the Negro River, a tributary of
the Uruguay River in Brazil and Uruguay, and one from the Iguaçu River, in Brazil and …

 Abstract We conducted a revision of the Neotropical genus Acrobrycon. A previous study
synonymized the species, A. ipanquianus, distributed from the western portion of the …

A new species of characid with remarkable sexual characteristics is described from the
upper Guayabero River drainage from the Orinoco basin in Colombia. The new species is …

A new species of Astyanax is described from the rio Salobra, tributary of rio Cuiabá, rio
Paraguai basin. The new taxon can be distinguished from its congeners by having a well …

This study describes Chrysobrycon calamar, a new stevardiine fish from the upper Río
Vaupés basin in Colombia. The new species differs from its congeners by the following …

This study focuses on the genus Chrysobrycon, particularly Chrysobrycon mojicai, which
was initially described in the Amacayacu National Natural Park in Colombia. Here, we …

El departamento Loreto con un área de 36 885 195 ha es el más extenso del Perú que
alberga una alta biodiversidad, abundantes recursos hídricos, extensos bosques y grandes …