hey all I can maybe get a hold of a 48x48x25 acrylic tank for a far deal. and was woundering if I need to be conserned about the fish eatig it and doing anything other than cosmetic damage to it. stock I want to keep is going to be. fish growing out now are 4 black belts, 1 Adonis plec, and a chocolate albino common, now I want to add a clown knife and a goldie sunshine/ and a leopard catus plec. what u all think