Elusive big swordfish

I decided to show off my fishing skill by hanging a stuffed swordfish on the wall in my house. I harpooned a few of them and went to the taxidermist to get one prepared. She laughed and told me the specimen I brought her was not very interesting. A bigger variant of the swordfish I normally catch is rumored to swim amongst them, so I set out to catch one of those big swordfish to get stuffed. I have been at it for almost a week now, must have caught hundreds if not thousands of swordfish, but nothing bigger than I was used to. Im beginning to wonder of I've been had...