Three new species of Astyanax from drainages of southern Brazil (Characiformes: Characidae)

Psalidodon

Psalidodon is a genus of freshwater fish in the family Characidae of the order Characiformes.

Astyanax brachypterygium

Astyanax brachypterygium is a small species of freshwater fish endemic to a collection of high-elevation streams in Brazil.

Psalidodon xiru

Psalidodon xiru is a species of fish endemic to the Jacuí River drainage in Brazil. It grows up to 95.7 mm in length.

Astyanax xiru

Astayanax xiru là một loài cá đặc hữu của hệ thống thoát nước sông Jacuí ở Brazil. Nó phát triển chiều dài lên tới 95,7 mm.