At the Expo FC 2010 in Japan, Osaka University presented a pretty mind-blowing prototype of a robotic fish.
Its movements in particular are so realistic you could easily mistake it for a real fish.
It measures 10 cm in length, is powered by a solid polymer fuel cell (Power Tube) and a polymer li
This is a companion discussion topic for the original entry at https://community.robotshop.com/blog/show/realistic-robotic-fish