so ive had this bugger for a good two months and i am wonder if the food i am feeding him is doing it any good i feed it dried tubifex worms twice a day because they break out smaller than super brine the fish is about a quater of an inch and is in a 15 gallon tank for now to be places in a thirty to than the fifty five he has one tank mate which is a baby tooth-nose pleco which is an inch long please let me know what would be good food for the jd or if my is suitable thanks