i have 2 sword tails, 2 dwarf gourami, 1 kissing gourami, 2 pengiun fish, 3 silver tip tetras, 1 male fighter, 2 cat fish, 1 sucker fish, i am new to keeping fish, when i 1st got the tank i was following the advice of the local tropical fish place and got some bad advice this is why it as taken...