It would increase bio load with whatever u get. I’d recommend looking into some armored cars like
Deadeye
said. Hoplo cats are a good option. If you don’t mind a very increased bio load u can do some small plecos. I personally think you’re better off with a bare bottom no decor and no tank mate tank imo. I find it’s better for the fh and better for the keeper. A few days ago U said daisy got the scrapes on her head. No decor, gravel or tank mates will not 100% eliminate injuries but significantly help.