angelfish agression

Hi! My 30 gallon tank has finished cycling, and so far I have 9 zebra danios in it. I plan on having the following fish, and I am wondering if they will be fine. 1 angelfish 2 dwarf gouramis, maybe pearl 9 zebra danio 1 or 2 bristle nose pleco(s) 4 Otocinclus or panda corys I might swap the...

We already had 3 Angelfish and decided to buy another one. We bought a beautiful silver-blue Angelfish, healthy and strong. Everything was fine, it showed domination over other fish and became " the boss" of the fish tank. But then, after a whole month, he ate 17 neon fish in few nights. We feed...