I often eat fugu in winter. It has poison in its liver. Only the licensed chef is allowed to cook and restaurants cannot serve liver to the custmers.
You can try it in different ways; for example, you can eat it as sashimi, you can eat it as shabu-shabu, and also fried fugu is very delicious.

When you try shabu-shabu, fugu's meat is still moving after it is cut. It will be very interesting experience for the first timer.