Barracuda (Sphyraena sp.) feed on small fish and may protect themselves against larger predators, such as sharks, by aggregating in schools.
梭鱼饲料是小鱼，并可能保护自己免受更大的掠食者，如鲨鱼，由聚集在学校。
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Any of various fierce, mostly tropical marine fishes of the genus Sphyraena that resemble pike, have a projecting lower jaw with fanglike teeth , and include some edible species.