标准的线鳍电鳗电信号是100赫兹。如果将信号转换成声音，听起来就像是在高声哀嚎。

The fish's standard electrical signal runs at 100 Hertz; if you turn the electrical signal into sound, it sounds like a hum high whine.

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线鳍电鳗（Sternopygus macrurus）是种使用电场感知周边环境的鱼类，在休息的时候会减弱信号以节约能量。

Fish that use electric fields to sense their environments dim their signals to save energy during the day when they are resting.

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