Sorry to see that happen, Why is it that EVERBODY overfeeds when looking at our tanks?? HOnestly, almost every non fish person thinks that the fish eat half the can at once, especially little kids, its like when they try to pour a gallon of milk for the first time, I don't know the situation between you and his parents but you really should at least hint to them about how EXPENSIVE all the fish were for you to buy and if they can at least help you out with SOMETHING!!!, since it was their kids fault ?? Good luck in the future and with the survivors, please update!!!