ŘÍČAN, Oldřich; PIÁLEK, Lubomír; ALMIRÓN, Adriana; CASCIOTTA, Jorge. Description of two new species forming a sympatric species pair of Crenicichla (Teleostei: Cichlidae) endemic to the Piray Guazú River in the Paraná River Basin, Misiones, Argentina and belonging to the C. mandelburgeri species complex. European Journal of Taxonomy, [S. l.], v. 879, n. 1, p. 38–63, 2023. DOI: 10.5852/ejt.2023.879.2159. Disponível em: https://ejt.sandbox.publicknowledgeproject.org/index.php/ejt/article/view/2159. Acesso em: 24 apr. 2026.