Porcupine Fish

Porcupine Fish (43 см-46 см)
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.