Take your time, research, read, think about it, reconsider, research some more, then go to the store.
green terror, oscar, jack dempsey, frontosa, convict, skat, var. puffers, mono, white tip shark, var. pleco, labs, neon tetra, cardinal tetra, discus, betta splendin, serpae tetra, mollies, pictus cat, otocinclus, blood fin tetra, cory cat, and anything else I forgot to mention.
To many to mention, all plant tanks running DIY Co2 systems.
fish don't need toys, get that crap outta the tank!
Nothing makes an aquarium stand out like a large shoal of colorful fish.
If you want to select a high-quality commercial food for your aquarium fish you should understand how to interpret a fish food label.
Also known as the mystery snail, apple snails are a popular addition to the freshwater tank.