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!
In stressful times, having a home aquarium could be a benefit.
Learn the arguments for choosing to set-up either a freshwater or saltwater aquarium.
Popular as prizes at carnivals and state fairs, goldfish are known for their orange-gold coloration, but they actually come in many colors and patterns.