Warm waters of the world ocean-a place where you can find fish with the most unexpected adaptations for survival. The most bizarre of them that first recall, is a Blowfish from the squad iglobryuhoobraznyh.
In this group of taxonomists distinguish 4 sub-units, one of which-acupuncture. There is another name, which is often used for the representatives of this family – fish-ball. Like all members of the sub-group of acupuncture, hedgehogs have the ability to fill with water or air special “bags” located inside the body and associated with the esophagus.