What are some names of different breeds fish that live harmoniously together are easy to care for look pretty and can live in an aquarium?

GOLDFISH, SICCSOR FISH, AND BETTA, AND SHARKS, AND THINGS LIKE THAT....AND DID YOU KNOW THAT IF YOU PUT A BABY SHARK IN A GLASS CONTAIONER AND SLEEP WITH IT BY YOUR EAD THE SHARK WILL GET USED TO YOUR SMELL AND WILL EVENTUALLY LET YOU PET IT.