How to Make a Shark Can not Move

How to Make a Shark Can not Move - If you turn the shark on your back, it will not move at all. For some reason, an inverted shark is in a condition like a coma, called completely rigid (tonic immobility) for fifteen minutes. During that time, he did not respond to anything at all. Her rear fins tightened and her breathing also contracted her muscles steadily and relaxed. No one knows the cause of this strange shark reaction. In fact, the smell of food did not make sharks wake up if it is in these conditions.