Thanks for letting me know, my LFS told me everything owuld be ok.... guess he was wrong.

I have a bumblebee catfish that I believe is attacking my fish durning the night. In 2 days time I have lost 1 betta and 1 guppy. Do you think it is possible he is attacking my other fish durning the night. I removed him last night after the guppy died, I am afraid to put him back in and I am ...