...大多为扁侧型而非圆柱状，而且体高也较鳗鱼来得高，另外在外型上和人们用的刀子类似，所以在国外也把这类的鱼称为刀鱼(Knifefish) 此外值得一提的是斑马鳗在身体的末端有一发电器，藉微弱的电力协助觅食。
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The design is a nod to freshwater knifefish, which can move forward and backward, and hover, by rippling an elongated ventral fin.
Gymnobot的设计灵感来自于一种名为宝刀鱼(knifefish)的淡水鱼，这种鱼利用腹部长长的鱼鳍，在水中可以进退自如，还可以作出水中盘旋等动作。
If it looks like a fish and swims like a fish, it could be a robot — such as the University of Bath's Gymnobot (pictured), inspired by an Amazonian knifefish.
有这样一个机器人，它的样子和游泳动作都很像一条鱼——这就是巴斯大学的Gymnobot。它的样子是模仿亚马逊流域的一种刀鱼。
To allow more room for cameras and other electronics, Megill's team took cues from the knifefish, which keeps its body rigid to sense electric currents in the water.
为了能有空间装入相机和其他电子设备，梅吉尔的团队开始关注刀鱼，这种鱼可以让身体保持僵硬，来感知水中的电流。
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