Hi guys, so my Oscar didn’t eat the pellets that I gave, but the feeder fish I bought yesterday, also, it’s tankmates, silver dollars took a bite of the pellets and spits it out, I was wondering whether this is a sign of stress due to disturbance of the tank, I did a water change about 50% , and recently I had gave away my cichlid (not sure about the species) to my local fish store. Are they stress or is there like a disease or something? They are doing fine tho, should I continue feeding them pellets, or wait for a few days?