Thanks everbody we have decided to rehome him , he eats everything and craps for fun .My rays are not getting anything to eat,and i did a water test the other day and my nitrate was up a little . Iam fitting a very large pond filter to tank soon the filters on now are ok but not what i need getting this pacu was a bad idea . I will be after a mid swimming fish when i fit the new filters but keep getting it wrong 