okay i was looking at my zebra angel and you can barely see his stripes which are suppose to be very black and he as barely any black in his fins and to top it all of i found one of my micky mouse platys dead today. i just did a water change about 25 gallons and cleaned the gravel. i was thinking that maybe i am over feeding them. i do feed them 3 times a day flakes and freeze dried bloodworms. can any one help me. i don't wont to lose him.