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。
The design is a nod to freshwater knifefish , which can move forward and backward , and hover , by rippling an elongated ventral fin .
宝刀鱼