sorority gone wrong

So, to make a long story short my old sorority setup was 3 girls who were from the same spawn and sadly when Baby passed I had to separate her sisters because there was too much fin nipping. I missed seeing girls, though, so I thought I'd try to set up a more "robust" sorority with more girls...

Okay, so after about six months of consideration, and research, I decided to get a sorority tank. I already have my CT, Diva, and my VT, Saya. I got four new fish last week. a baby, Hiruko (in a separate baby tank), a guppy, Derpy, a snail (which I'm giving away to a friend because I discovered...