Psycho Shark Placemat- MIN of 2Everything Nauticalproudly presents thePsycho Shark Placemat. An average shark has 40-45 teeth and up to 7 rows of replacement teeth. Sharks are constantly losing and regrowing teeth. A shark might go through more than 30,000 teeth in one lifetime!Mix and Match with any of the others shown in our option box. Pair your placemats with the many matching products, including Nautical Wall Art, Other table top products, accessories, and drinking options in theJ. Doherty Collectionby clicking on the link.Behind the Art The Fish Rubbing Process The fish rubbing process, also known as Gyotaku, began two thousand years ago in the Orient. It was originally done to document species and sizes of fish. It then transformed into an art form. The Gyotaku technique allows for a truly accurate image of all the details in each fish. Simple and Beautiful.I use the following method to make the image look as natural as can be. First I