Megamouth shark to more than half the worldwide total. Specimens have also been sighted in or come out of the waters near Hawaii, California, Mexico, Indonesia, Australia, Brazil, Senegal, South Africa, Puerto Rico, Ecuador, and possibly Vietnam. On March 30, 2009, off Burias Island in the Philippines, an 880- to 1,100-pound (400- to 500-kg) megamouth shark died while struggling in a fisherman's net and was subsequently taken to nearby Donsol in Sorsogon province, where it was examined by scientists, before being butchered and sold. On June 12, 2011, a 3-m (10-ft) dead juvenile male was found by fishermen near the western Baja
Fish anatomy their chromatophores. The outer body of many fish is covered with scales, which are part of the fish's integumentary system. The scales originate from the mesoderm (skin), and may be similar in structure to teeth. Some species are covered instead by scutes. Others have no outer covering on the skin. Most fish are covered in a protective layer of slime (mucus). There are four principal types of fish scales. Another, less common, type of scale is the scute, which is: The lateral line is a sense organ used to detect movement and vibration in the surrounding water. For example, fish