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 .