I'm brand new here and I'm going to jump off into the deep end for my first post! I have experience in fishkeeping, but my forte is fancy goldfish, and only recently I've become the owner of some guppies and surprise killifish that hitchhiked in on some plants. I know next to nothing about...

Hello all, a fish hobbyist that's new to these forums here. I am soon going to acquire a 55 gallon tank, and I wish to put some of my favorite fish in it. But, I am not sure who would go well with who, and how well the fish would do at their maximum size, because I have only had smaller 10...