"Puffer Fish" or "blowfish" is a type of fish characterized by its ability to inflate its body by swallowing water or air, forming a round and spiky appearance. It belongs to the family Tetraodontidae and is known for its defensive mechanism against predators. The puffer fish has a unique physiology and contains tetrodotoxin, a highly potent neurotoxin that can be deadly if ingested. Despite its small size, the puffer fish displays fascinating adaptations and serves as an intriguing example of nature's diverse creations.