Clasificación Zoológica
                                                                                               
                                 60 V Torpedinoideos                                                                                 0.1 V  Rajoides       
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                                                                      ELASMOBRANQUIOS
PECES                                       
                                                                                             ACTINOPTERIGIOS

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                      0.1V Mormyriformes               Perciformes            500V - 0.1 V Gymnotiformes            300 V Siluriformes
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                                                      5 V Uranoscópidos