Dr. Wrasse is not a common name for any species of fish. However, there is a species of wrasse called Bluestreak Cleaner Wrasse which is also known as Dr. Wrasse. This fish is known for its cleaning behavior, where it removes unwanted parasites and dead tissues from other fish. The Bluestreak Cleaner Wrasse requires a lot of swimming space as it is very active and can grow up to 6 inches. It is found mostly in the Western Indian Ocean, Africa, and Maldives. When fully adjusted to the aquarium, this fish can be fed high-quality marine flake and tiny marine pellet. With black horizontal lines and a mix of blue and white, it has a very striking color combination.