Diodon Nicthemerus 5-6 13см-16см
Porcupine fish Diodon Nicthemerus is a family Diodontidae, also called balloon fish and fish ball . These fish are shallow tropical and subtropical seas. At risk have the ability to inflate their body by swallowing water or air and become round like a ball . This increase in size almost double leads to a sharp flattening spikes in the body which in the normal state are close to the body . Another defense mechanism of fish venom gland which is located in the skin in. The natural enemies of the fish are shark Hedgehog , Orc , tuna , dolphins and more. Meat and is considered a delicacy in many Pacific countries, is made only by licensed chefs , though food poisoning are not uncommon.