Hi there, newbie here.
My 55 gallon has 20 black neon tetras, 4 turquoise rainbowfish, 4 bosemani rainbowfish, 4 australian rainbowfish, 5 corydoras, 3 snails, and a long-finned bristlenose pleco.
I feel like I'm pretty full, but I still want to add a couple more rainbowfish of each type...