Hauser, Frances E., and Hernán López-Fernández. “Geophagus crocatus, a New Species of Geophagine Cichlid from the Berbice River, Guyana, South America (Teleostei: Cichlidae)”. Zootaxa 3731, no. 2 (October 30, 2013): 279–286. Accessed May 1, 2025. https://www.mapress.com/zt/article/view/zootaxa.3731.2.8.