There are a lot of koi fish tattoos out there. In fact, I think they are a little overused. But I think this design would look great inked on some skin. Throw some blue in there, too and it would really pop out.
One popular tattoo design that you may find interest in is the koi tattoo. Although koi tattoos are not a main stream tattoo symbol, there is still a popularity for the tattoo. Koi fish tattoos are worn by both men and women.