A pufferfish is a type of fish known for its distinctive ability to inflate itself when threatened. This fascinating act serves as a defense mechanism against predators, making them appear larger and less palatable. Pufferfish belong to the family Tetraodontidae and are found in various marine environments. Some species contain tetrodotoxin, a potent neurotoxin, which can be harmful or even fatal if consumed without proper preparation. As a result, certain cultures, particularly in Japan, have developed culinary techniques to safely prepare pufferfish, known as fugu.