English Astyanax (fish) Cited by user Headbomb on 11 Mar 2018 Astyanax is a genus of freshwater fish in the family Characidae of the order Characiformes.
English Mexican tetra Cited by user Rjwilmsi on 11 Feb 2018 The Mexican tetra or blind cave fish (Astyanax mexicanus) is a freshwater fish of the family Characidae of the order Characiformes.