There are so many names that you can call a Rainbow Wrasse but all of them goes down to the distinct look these fishes have. Being a territorial fish makes it harder for fish owners to keep in their aquariums with other fishes. Despite this fact, they are not that complicated to keep because just the right partners would make their aquarium one of the most colorful one you own. Don’t shy away from Rainbow Wrasse just because they can be tough. They are simply shy creatures that must be comfortable with their environment before you’ll get to see them swimming about and just be happy fishes.