Astyanax endy (Characiformes: Characidae), a new fish species from the upper Río Bermejo basin, northwestern Argentina. Author J. M. Mirande Author G. Aguilera Author M. D. L. M. Azpelicueta text Zootaxa 2006 1286 57 68 http://www.zoobank.org/urn:lsid:zoobank.org:pub:89EB739D-FFDE-44FD-AD0F-9E51CC3392FD journal article z01286p057 89EB739D-FFDE-44FD-AD0F-9E51CC3392FD Astyanax tumbayaensis : CI-FML 3845, 15 ex., 57.1-75.8 mm, Argentina , Jujuy , Arroyo de los Sauces, Quebrada de Humahuaca, Cuenca Rio Grande.