56540b4c_Crafting_Guide___Raw_Materials__Description
[Name] Pufferfish [Uses] Potions, Food [Description] 
Used to brew Potion of Water Breathing. Can be eaten to restore half a hunger, but will give the player Hunger III and Nausea II for 15 seconds, and Poison IV for 1 minute.
Minecraft Crafting Guide - Raw Materials
Description