Fish driving its own tank
Media playback is unsupported on your device
Video

Watch a fish drive its own tank

A company in the Netherlands has developed a prototype fish tank on wheels, which moves in response to the movements of the fish.

Thomas de Wolf, co-founder of Studio diip, explained to BBC News how the device works, and the steps it has taken to protect the wellbeing of the fish.

  • 02 May 2014
  • From the section World