In morphology, similar fishes belonging to this family are similar to those of hedgehogs with large spine (unlike Tetraodontidae's thinner, concealed spine, and can be seen when the fish is self-inflate)
This scientific name refers to the four large teeth attached to the upper and lower jaws used to destroy crustacean shells and mollusks, their natural prey. 
Bloated fish are generally believed to be the second most toxic vertebrates in the world after the gold poison frog. The internal organs like the liver and sometimes their skin are very toxic to some animals if eaten
but the meat of some fish species is used as food in Japan (called pronounced fugu)
Korea (called bok)and China (called he2 tun2 ) and prepared by a chef who knows which parts of the body are safe to eat and how much they eat. 
Tetraodontidae consists of at least 121 species of bloated fish that is divided into 20 negara.fish many varieties in tropical waters and is not common in the waters of the zone is not in the cold waters
They have a small to medium size, although some species have a length of more than 100 centimeters 39 inches
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