Hello, I was wondering what everyones opinion is on some of the best large to medium size fish for my 80 gallon tank. I currently have all community schooling fish like cardinal, rummynose, neon, and green fire tetra's, Sae's, Otto's, Albino bushynose plecos, hatchet fish and some german blue rams. I am lloking for a compatable fish that is larger in size but wont eat my other fish or the plants. Any idea's???