Some of the species in the genus Hyphessobrycon, such as the Robert's, Rosy, Black Phantom. The Lemo and Flame should be OK. Check the profiles under characins, Hyphessobrycon and Hemigrammus species; just avoid those that warn of fin nipping or not suitable with sedate fish like angels. The hatchets work, just more of them. You can have corys for the bottom, with the pleco is fine.What kind of Tetras would work better with the angelfish?