What is koi, and what are koi tattoo designs? I heard some guys talking about them and I was curious to ask, but I did not. I came to you guys for an answer and would like you tell me what the koi tattoo designs are? What is the origin of such tattoos? I took a look at some of the pictures and the look very girlish. It had a lot of intricate work on it. How much time does it take to get thus kind of tattoo made and what would be the approximate cost?