My comments dissapeared it hink haha well my jack dempsey ahnd fed tonight a shrimp was held for 10 minutes at first eh woudl bit eit just got a lil scared wen he trie dso i let him see i was droppin a piece ina dn he ate it and realized i was onyl feeding hoim so he took bite after bite rigth form my hand vigourusly ripping the shrimp hha
IME Its easier to shape a fish's disposition if they are raised from very early on. The more accustomed a fish is to being hand fed, the more comfortable it will be to your presence. With that being said I also think some fish are just a** **les and some species with always be aggressive once they reach adulthood, such as your jags and RTs and umbees
Sounds like you would be better off with an Oscar. If you have a fish that is aggressive it will be aggressive to everthing not just tank mates, My RD is a mean ba@#ard talk about bite the hand that feeds you.
Every dempsey I've had tends to be a little skittish, although they will take food from my hand, it is not to the level of oscars or my current polleni