We have our indigos in but we would like to start breeding safe feeders for the snakes especially for when they get a little larger. They won't be eating fish all the time so incredibly prolific fish are unneeded. I know smelt, some species of silversides, minnows, and goldfish have thiaminase so I want to avoid those at all cost. I do not want to buy fish from a pet store. I had an X. vittata die from eating a sick fish (didn't know it was sick at the time). We don't want a huge tank either. Mollies, guppies, swordtails, and platys are out since they are too prolific and too small. Any ideas guys? If we can't find anything we might have to settle for sashimi grade salmon filets.