If you want a delicate and beautiful tattoo, you may find that Koi tattoo designs fit the bill. These ornate styles typically feature a host of intricate details, such as multi-colored scales and gently curving lines. This Japanese fish is a symbol of good luck, which is one reason why skin art fans gravitate towards these pretty tattoo styles. Koi fish are fundamentally beautiful, so aesthetics may be another important reason why these tattoos appeal to so many men and women. In Japanese myth, the Koi has the ability to transform itself into a supernatural creature (a dragon). Those who appreciate these Japanese myths may view Koi as symbols of magic and power.