Biologists from the United States and France have figured out how to manage igorota wide open mouth and catch large prey. Scientists have uncovered the mechanism is demonstrated in a video published on the YouTube channel of the journal PLOS Media.
It turned out that the head deep sea fish is connected to the skull by means of a flexible connection between the occipital bone at the base of the skull and the first cervical vertebra. It is formed by the fabric chords — elastic longitudinal tension bar, which this place is not protected by bone. As a result of the jaws of igorota is capable of opening 120 degrees