Giora, J., & Malabarba, L. R. (2016). Gymnotus refugio, a new and endangered species of electric fish of the Gymnotus pantherinus species-group from southern Brazil (Gymnotiformes: Gymnotidae) . Zootaxa, 4066(5), 581–590. https://doi.org/10.11646/zootaxa.4066.5.6