This Pokemon's attacks do 1.25x on same gender targets; 0.75x on opposite gender.
Pokémon with Rivalry
Nidoqueen
Nidoking
Nidoran-F
Nidorina
Nidoran-M
Nidorino
Shinx
Luxio
LuxrayRivalry
HeartGold & SoulSilver
HeartGold & SoulSilverShowing HeartGold & SoulSilver. Items may require trading, an event, or downloadable content.
NidoqueenNidokingNidoran-FNidorinaNidoran-MNidorinoShinxLuxioLuxraySources: PokéAPI, PKHeX game records, Pokémon Showdown and Serebii.