Koi tattoos are a very popular type of tattoo design, particularly in East Asian popular culture. They are often seen as a symbol of strength, perseverance and tenacity, representing a person’s ability to overcome life’s difficulties and obstacles. The image of the koi fish is also thought to bring good luck and success in life. Other meanings associated with koi tattoos include fertility, wealth, luck, friendship, and transformation. Koi tattoos can also be used to signify freedom and individualism, as the koi is known to be an independent creature, capable of swimming against the current of rivers and streams.