"The red-bellied pacu is the cousin of a very well-known fish that terrorizes swimmers in made-for-TV movies and on the big screen: the piranha," notes the Discovery channel.

《探索发现》频道称，“红腹帕库食人鱼是比拉食人鱼的近亲，比拉食人鱼非常有名，在电视电影中和大银幕电影中让游泳者感到恐怖。”

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The most well-known species is the red-bellied piranha , but there are nearly forty other different species of piranha .

最出名的种群是红肚水虎鱼，但其实大约有四十种不同类型的水虎鱼。

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Beneath the waters swam the dreaded red-bellied piranha, the pack-hunting fish whose jagged teeth can strip the flesh from an animal in minutes.

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The drink is sweeter than Red Bull, to appeal to more consumers--and in more ways than one: Piranha's gross profit margin is 42%, compared with Red Bull's 33%.

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