Puffer fish can inflate their bodies with water or air when threatened, becoming much larger and rounder.
Many puffer fish carry tetrodotoxin, a potent toxin found in their organs, skin, and sometimes flesh.
There are over 120 species of puffer fish, inhabiting tropical and subtropical waters globally.
Puffer fish have continuously growing teeth that form a beak-like structure, used to crush the shells of their prey.
Male puffer fish create intricate sand or seafloor patterns to attract females during mating season.
Some puffer fish species can live over 10 years in the wild and even longer in captivity.
Certain puffer fish, such as the Japanese fugu, are considered delicacies despite their poisonous nature.