![](http://www.ecns.cn/hd/2021/01/15/44b941785e6642239f5451a6884316fc.jpg)
This photo released on Jan. 13, 2021 shows lifelike fish-inspired robots created by Harvard University experts. The fish-inspired robots were equipped with a vision-based coordination system based on blue LED lights, which can perceive the direction and distance of other fish in one environment. (Photo/Agencies)
![](http://www.ecns.cn/hd/2021/01/15/a3d5203ae3eb478b80fb8f45e9369b6c.jpg)
This photo released on Jan. 13, 2021 shows lifelike fish-inspired robots created by Harvard University experts. The fish-inspired robots were equipped with a vision-based coordination system based on blue LED lights, which can perceive the direction and distance of other fish in one environment. (Photo/Agencies)