What Pam said. This is absolutely astonishing. Tracing would be the method that some of us less talented people would use, I suppose, not him. Or that pic of him drawing one in the main page is some Photoshop too?
This is probably one of the most stupid things ever done to fish. Branding or neutering other animals are also purely for human comfort, but making these alterations for aesthetics... plain stupid. Want a tattoo? Make it yourself, on yourself.