| Guía de los peces del Parque Nacional Pre-delta AE Almirón, JR Casciotta, L Ciotek, P Giorgis | 121 | 2008 |
| Multilocus phylogeny of Crenicichla (Teleostei: Cichlidae), with biogeography of the C. lacustris group: species flocks as a model for sympatric speciation in rivers L Piálek, O Říčan, J Casciotta, A Almirón, J Zrzavý Molecular Phylogenetics and Evolution 62 (1), 46-61, 2012 | 107 | 2012 |
| Peces del Iberá: hábitat y diversidad JR Casciotta, A Almirón, JA Bechara Grafikar, 2005 | 86 | 2005 |
| Brazilian freshwater fish assemblages from southern Pampean area, Argentina J Casciotta, A Almirón, A Cione, M Azpelicueta Biogeographica (Paris) 75 (2), 67-78, 1999 | 67 | 1999 |
| Island-and lake-like parallel adaptive radiations replicated in rivers ED Burress, L Piálek, JR Casciotta, A Almirón, M Tan, JW Armbruster, ... Proceedings of the Royal Society B: Biological Sciences 285 (1870), 20171762, 2018 | 60 | 2018 |
| Fish ecology of a seasonal lowland stream in temperate South America AE Almirón, ML García, RC Menni, LC Protogino, LC Solari Marine and Freshwater Research 51 (3), 265-274, 2000 | 50 | 2000 |
| Two new species of the genus Astyanax (Characiformes, Characidae) from the Paraná river basin in Argentina MM Azpelicueta, JR Casciotta, AE Almirón Revue suisse de Zoologie 109, 2002 | 47 | 2002 |
| Peces de agua dulce de la provincia de Buenos Aires, Argentina AE Almirón, SE Gómez, NI Toresani Situación Ambiental de la Provincia de Buenos Aires; a. Recursos y rasgos …, 1992 | 43 | 1992 |
| Astyanax pampa (Characiformes, Characidae), a new species from the southernmost boundary of the Brazilian subregion, Argentina JR Casciotta, AE Almirón, MM Azpelicueta Revue suisse de Zoologie 112, 2005 | 41 | 2005 |
| Fish fauna and environments of the Pilcomayo-Paraguay basins in Formosa, Argentina RC Menni, AM Miquelarena, HL Lopez, JR Casciotta, AE Almiron, ... Hydrobiologia 245, 129-146, 1992 | 40 | 1992 |
| Two new species of Australoheros (Teleostei: Cichlidae), with notes on diversity of the genus and biogeography of the Río de la Plata basin O Říčan, L Pialek, AE Almirón, JR Casciotta Zootaxa 2982, 2011 | 36 | 2011 |
| Peces del Iberá JR Casciotta, AE Almirón, J Bechara | 36 | 2005 |
| Astyanax paris: A New Species from the Río Uruguay Basin of Argentina (Characiformes, Characidae) MM Azpelicueta, AE Almirón, JR Casciotta Copeia 2002 (4), 1052-1056, 2002 | 35 | 2002 |
| Phylogenomics of pike cichlids (Cichlidae: Crenicichla) of the C. mandelburgeri species complex: rapid ecological speciation in the Iguazú River and high … L Piálek, E Burress, K Dragová, A Almirón, J Casciotta, O Říčan Hydrobiologia 832, 355-375, 2019 | 34 | 2019 |
| Description of two new species of Crenicichla (Teleostei: Cichlidae) from the lower Iguazú River with a taxonomic reappraisal of C. iguassuensis, C. tesay and C. yaha L Piálek, K Dragová, J Casciotta, A Almirón, O Říčan Historia Natural 5 (2), 5-27, 2015 | 34 | 2015 |
| A new species of Australoheros (Teleostei: Perciformes: Cichlidae) from the río Iguazú basin, Argentina JR Casciotta, AE Almirón, SE Gómez Zoologische Abhandlungen (Dresden) 55, 77-83, 2006 | 34 | 2006 |
| A new species of Astyanax from río Uruguay basin, Argentina (Characiformes: Characidae) JR Casciotta, AE Almirón, M de las Mercedes Azpelicueta Ichthyological Exploration of Freshwaters 14 (4), 329-334, 2003 | 32 | 2003 |
| Astyanax ita sp. n.-a new species from the Río Iguazú basin, in Argentina (Teleostei, Characiformes, Characidae) AE Almirón, M Azpelicueta, JR Casciotta ZOOLOGISCHE ABHANDLUNGEN-STAATLICHES MUSEUM FUR TIERKUNDE IN DRESDEN 52 (1 …, 2002 | 32 | 2002 |
| Los peces de la laguna Iberá J Casciotta, A Almirón, JA Bechara Ediciones Al Margen, 2003 | 31 | 2003 |
| Reproductive seasonality in fishes of manmade ponds in temperate South America RC Menni, AE Almirón Neotrópica 40 (103-104), 75-85, 1994 | 31 | 1994 |
