Milhomem, S.S.R., Pieczarka, J.C., Crampton, W.G.R., de Souza, A.C.P., Carvalho Jr, J.R. and Nagamachi, C.Y. 2007.

Differences in karyotype between two sympatric species of Gymnotus (Gymnotiformes: Gymnotidae) from the eastern amazon of Brazil

. Zootaxa. 1397, 1 (Jan. 2007), 55–62. DOI:https://doi.org/10.11646/zootaxa.1397.1.7.