I've kept shiners in a bucket for 3 or 4 days no problem. I change 1/3 to 1/2 of the water once or twice everyday and I have a cheap aquarium air pump and air stone in the bucket. Keep the water cool. Sometimes I'll drop some ice cubes in if I think it's getting too warm.


[Linked Image]
Be Brave Enough to Suck at Something New!