Would never recommend FH to be "with" anything. If it doesn't destroy your stock on night 1 in my experience all it takes is for one fish to challenge territory and that's the whole tank dead. Fh don't attack to feed. They attack to play and enforce "tank boss" I personally don't feel there is any share option for a FH but many will disagree. I've had mine with bichir. Oscar's and a green terror. I had to rehome the lot. I now have a house full of 55's and a very happy "unbeatable" FH. I swear my Male had a smile on his face as he battered my bichirs