水虎鱼自己的语言

Red-bellied piranhas make three distinctive sounds when communicating about how much they will mess each other up. Cynthia Graber reports
当需要与多方进行沟通时，红腹食人鱼用３种不同的声音进行沟通。辛西娅格.格雷伯报道。

Like a pit bull, piranhas will tear the flesh from your bones. Also like a pit bull, they bark. [piranha audio type 1] Kind of.　
如同斗牛一样，食人鱼可以撕出人骨头中的肌肉，它们也会像斗牛一样的吼叫[食人鱼音频类型之一]。
Scientists had known that piranha barked when you pick them up—carefully, of course. But they hadn’t known what these sounds were for. So researchers examined how the vocalizations might correspond with behavior.
科学家已经知道，当人类拥抱食人鱼时，它们会叫——当然，人类要小心一些。但科学家不知道它们为什么发出这样的声音，因此研究人员对这种发音行为进行了研究。
They dropped a microphone into a piranha tank that, at different times, held three groups of 10 fish. They then placed a mussel in to see how the fish competed for food.
在不同时段，科学家们把麦克风放在食水鱼水箱中，这个水箱中有１０条食人鱼，它们为分３组。科学家们向水中投入贻贝，来观察食人鱼是如何争夺食物的。
When the fish faced off, they produced that percussive bark. [piranha audio type 1]
当食人鱼开始对抗争夺猎物时，它们发出撞击式的声音。
[食人鱼音频类型之一]
When they circled one another, they made a softer thud sound. [piranha audio type 2]　
当它们彼此转圈游来游去时，它们发出一种柔和的撞击声。
[食人鱼音频类型之二]
A teeth-gnashing [piranha audio type 3] indicated that a piranha was getting pretty ticked off as it chased a competitor.
食人鱼发出咬牙的声音[食人鱼音频类型之三]表示它们在追逐对手时，超越了对手。
, p9 x2 V2 A+ a

有研究

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