Bro Ari...you should consider breaking your thread into paragraphs so that it is easier to read.

I still advocate feeding pellets, especially koi pellets. For species more herbivorous like vieja, especially synspilum, I read somewhere if given animal protein too often they lose most of their magnificent colour and look more drab. The most I feed them is usually market prawns or small fish(if they will eat them that is). Fish/prawn protein, no animal protein, especially since any animal fat present will be indigestible.