Okay so here is what I am planning to stock in my 55 Gallon....
1 Common Pleco, about 3" currently.
1 Red Lizard Whiptail Pleco, about 2" currently much smaller very thin, gets to about 6".
3 Upside Down Catfish, teeny but get to about 4" apparently.
2 Otocinclus Cats, get to 2".
1 Rubber...