The pilot fish (Naucrates ductor) is a carnivorous commensal fish in the family Carangidae. It is widely distributed and lives in warm or tropical open seas.
例句与用法
1.
The pilot fish survives all the lesser predators of the ocean by having a shark right behind it , and survives the shark by swimming just in front of its nose 拙译：鲭鱼由于有一条鲨鱼跟着它后头，所以比海里其它身型较小的肉食动物长命，又由于游在鲨鱼跟前而比鲨鱼长命。
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