Ma'anar ƙamus na billfish wani nau'in kifaye ne na manyan kifin da ke da tsayi, lissafin lissafi ko rostrum, kamar su marlins, sailfish, swordfish, da spearfish. Ana samun waɗannan kifayen galibi a cikin ruwaye masu zafi da na wurare masu zafi kuma suna shaharar kifin wasan a tsakanin masu kallon nishaɗi.
