Cichlids
have a 55 gallon tank with 1 tiger oscar, 1 red pacu, 1 bala shark, 2 convict cichlids, 1 bumblebee cichlid, 1 synodontis catfish, 1 common pleco, and 1 green terror. all are juveniles, the bala shark being the largest at 5" long. is this overstocked? also, lately my oscar has gotten small...