Robotic fish capable of perfectly mimicking a yellowfin tuna may help improve aquatic propulsion

Daily Mail - Science & tech 

It is the first of its kind – a robotic fish that mimics the speed and movements of a yellowfin tuna. Dubbed'Tunabot', this aquatic machine can reach a maximum tail beat frequency of 15 hertz enabling it to swim 15 inches per second. Researchers are hoping this creation will lead to the development of more powerful and efficient propulsion systems. 'Tunabot' is aquatic inspired robot is nearly 10 inches long and can reach a maximum tail beat frequency of 15 hertz – enabling it to swim 15 inches per second. The robotic fish was developed by a team of mechanical engineers at the University of Virginia's School or Engineering, with a collaboration of biologists from Harvard University.