Portal:Sharks/Selected pictures/8
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![](http://upload.wikimedia.org/wikipedia/commons/thumb/f/f9/Isurus_oxyrinchus_Machoire.jpg/325px-Isurus_oxyrinchus_Machoire.jpg)
The jaw of a shortfin mako shark. The species feeds mainly upon cephalopods, bony fishes including mackerel, tuna, bonito, and swordfish, but it may also eat other sharks, porpoises, sea turtles, and seabirds.