Megamouth shark used as a means of identifying other individuals of megamouth sharks. Their mouths can reach up to wide. Megamouth sharks have up to 50 rows of teeth in their upper-jaw and up to 75 rows of teeth in their lower-jaw. In 1990, a 4.9-m (16-foot) male megamouth shark was caught near the surface off Dana Point, California. This individual was eventually released with a small radio tag attached to its soft body. The tag relayed depth and time information over a two-day period. During the day, the shark swam at a depth around , but as the sun set, it
Fish-hooking taught as part of self-defense curricula in some martial arts such as Krav Maga and Gōjū-ryū. Fish-hooking Fish-hooking is the act of inserting a finger or fingers of one or both hands into the mouth, nostrils or other orifices of a person, and pulling away from the centerline of the body; in most cases with the intention of pulling, tearing, or lacerating the surrounding tissue. Forceful fish-hooking involves a high risk of permanent facial or orifice damage. Sometimes, the term fish hooking refers to a type of eye gouging. Fish-hooking techniques are disallowed in modern combat sports, mixed martial arts