Autapomorphies of Astyanax paris:

1. Abrupt decrease in size of dentary teeth (148): (0> 1) present. Paralleled in the Bryconops clade, in nodes 222, 255, and 299, and in Astyanax latens .

2. Bony hooks on fin rays (307): (1> 0) absent. Paralleled in the Gymnocharacinae, in nodes 207, 283, 297, and 301, and in Bryconamericus mennii, Exodon paradoxus, Inpaichthys kerri, Pseudochalceus kyburzi, and Rhoadsia altipinna . Some trees: Paralleled in Hasemania nana and Hyphessobrycon elachys .