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Swordfish are large, robust fish distinguished by their very long, pointed snout, from which they take their name. Aside from this feature, they generally resemble other species of tuna. They have a thick body that tapers considerably towards their tail fin, which is long and slender. On their back side is a large, curved dorsal fin close to their head, with two thin pectoral fins opposite it. Swordfish are olive brown on their dorsal side and white underneath. They can grow quite large, weighing as much as 100 kilograms.
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