ok this guy at work is changing from FW to SW and said that the pet store don't want his 3 bala sharks and 1 10" common pleco. so he was going to flush them the bala's are about 4 inches. i have a 55 (which i know isn't big enough for pleco's, but hmmm toilet or a cramped space) i need some bala shark info i don't have but 4 tetra's and 2 clown loaches and 2 puffers in the tank now, oh yes and a pleco (baby) so please soon give me some advise cause i have to tell him tomorrow yes or no thanks ppl's