He only attacked the auratus when the mbuna were new, I think after a bit also tables turned he learned his lesson didnt try it again. I have them in my 150 where other small cichlids are. The kenyi and zebra he ate just werent fiesty enough. I put them in cause the tank was just so dull and big with a JD who always hides. My five stars the ones who didnt pair off always hide also.
There's another ill try to find if i can. The other I was looking for doesn't exist anymore.
Here's the one I used as an aid for cudas. Dont let the tables turn too much as the result will be bad. Cudas will dart into the glass and get stressed and stop eating. Then die.
You won't be able to tell between reds or yellow. Too much work to do it but the care needed and info is there. That's the about the same across the board.