TY - JOUR T1 - Brachyhypopomus draco, a new sexually dimorphic species of Neotropical electric fish from southern South America (Gymnotiformes: Hypopomidae) JO - Neotropical Ichthyology A1 - Giora, Julia A1 - Malabarba, Luiz R. A1 - Crampton, William SN - 1679-6225 UL - 10.1590/S1679-62252008000200002 VL - 6 Y1 - 2008 PB - Brasil ER -