▲ 84 ▼ Why do Koi always travel in groups of four? (lemmy.world) submitted 5 days ago by Iron_Lynx@lemmy.world to c/dadjokes@lemmy.world 2 comments fedilink hide all child comments So that when they're threatened, A Koi, B Koi and C Koi will scatter. Leaving behind the D Koi.