Kullander, Sven O. “Crenicichla mandelburgeri, a New Species of Cichlid Fish (Teleostei: Cichlidae) from the Paraná River Drainage in Paraguay”. Zootaxa 2006, no. 1 (February 9, 2009): 41–50. Accessed April 27, 2025. https://mapress.com/zt/article/view/zootaxa.2006.1.3.