Tank size/Fish compatibility

[George]

Originally Posted by George

Hate to be a devil advocate, but what is the minimum tank size length wise for a powder blue tang? is it 3'x3' , 2'x2' or 1'x1' if someone have nothing in the tank but water and the fish? Couldn't the fish swim around in a circle in a 1'x1' tank and not hitting the wall.

Originally Posted by reefwars

at what point does 1ft , 2ft or 10ft make a difference to a fish that swims a sq kilometer a day?

interesting...I agree that 1ft sq, 2ft sq or 10 ft sq doesn't make a difference to a fish that swims kilometer sq. But somehow my gut feeling tells me putting a powder blue in a 1'x1' tank is not a good idea.