C. longimanus yana cin abinci ne da yawa a kan pelagic cephalopods da kifi mai kasusuwa. Duk da haka, abincinsa na iya zama mai bambanci da ƙarancin zaɓi<unk> an san shi da cin threadfins, stingrays, turtles na teku, tsuntsaye, gastropods, crustaceans, da dabbobi masu shayarwa. Kifi mai kasusuwa da yake ciyar da shi ya haɗa da lancetfish, oarfish, barracuda, jacks, dolphinfish, marlin, tuna, da mackerel. Hanyoyin ciyar da shi sun haɗa da cinyewa a cikin kungiyoyin kifi da yin iyo ta hanyar kungiyoyin tuna tare da buɗe baki. Lokacin da yake ciyarwa da wasu nau'in, ya zama mai haɗari. Peter Benchley, marubucin Jaws, ya lura da wannan shark yana iyo a cikin whales da kuma cin fuskokinsu. Tambaya: Waɗanne nau'in kifi ne na ƙwayoyin C. longimanus ke ciyarwa?
kifi mai suna lancet, kifi mai suna oarfish, barracuda, jacks, kifi mai suna dolphin, marlin, tuna, da kuma mackerel