this sounds like the dumbest idea ever. Can you imagine the mess you'd make if you hit a good pothole? Not to mention what would happen to the fish slamming into the sides of the tank while you drive. Ridiculous.
Tried it and loved it! http://youtu.be/KjHCjWi--5I By the time you get to the bottom you're moving pretty fast. Frankly, the walk up was the worst part.