Hi, I'm new here. I was referred by someone on another aquarium site. Issue: bn pleco lethargic, not eating and has a very distended belly. This has been going on for about 5 days. History: 55gal, cycled in feb before adding fish. Contains 6 julii cories, 4 platys, 1 gbr, 6 harlequin rasbora and the ...