red minor tetra

Hey guys, Has any one kept Serpae Tetras? I was wondering if they would be compatible in a 75 gal with: -Lemon tetras -Appisstogramma Agasizzi pair -Bolivian Rams -Discus -Corydoras I am most worried about the apisstos and the tetras getting all the food before the Discus. The only fish I have...