I've had good results feeding these to my baby garter snakes. There are no worries about getting to the store to get a feeder every few days, and unlike most feeder fish these don't have thiaminase:
http://www.petsmart.com/product/inde...uctId=11271607 - just thaw and warm (but don't cook!) the little bit you need to feed every 3-4 days.