A new species of Astyanax (Characiformes: Characidae) from the endorheic Río Salí basin, Tucumán, northwestern Argentina. Juan Marcos Mirande Gastón Aguilera María de las Mercedes Azpelicueta Zootaxa 2007 1646 31 39 J5SX urn:lsid:zoobank.org:act:E5863476-57AD-4DFB-9869-C74D9004AFD1 Characidae Astyanax CoL Animalia Astyanax leonidas Azpelicueta, Casciotta & Almirón 2002:245 Characiformes 32 Chordata species leonidas     MLP9580, holotype, 45.6 mm, Argentina, Misiones,  Rio Paranabasin, headwaters of Arroyo Urugua-i. 923899860 MLP Argentina Rio Parana basin, headwaters of Arroyo Urugua-i MLP 9580 Misiones holotype