Puffer fish is served as a delicacy in Japan and several other countries. In order to cook puffer fish chefs must have licenses as well as professional training to remove the toxin from the fish before they serve them.
There are more than 120 species of pufferfish worldwide. Most of them are marine-water fish but there are 40 types of puffer fish found in brackish waters, a mix between salt and freshwater, and 29 species are found in freshwater.
