Interesting articles from Popular Mechanics on robofish.. So for all
robot enthusiasts, this might give you new idea on your new robot...
Tom
Carlson started building robotic fish to figure out how salmon were
being harmed and killed as they swam through dams. Today that research
is helping companies design better hydropower turbines.
The sensor fish
The robofish is released to the fish release tank which will "swim" through the dam pump and canal system and recovered at the bottom of dam exit. Data collected will be transferred to computer for analysis.
read more at
http://www.popularmechanics.com/science/energy/hydropower-geothermal/the-robot-fish-that-led-to-better-dam-designs
read more