Hawaiian Trough the Hawaiian Arch. The Hawaiian Arch extends about 200 meters above the surrounding ocean floor, and contains tilted coral reefs. The coral reefs in the Hawaiian Tough are described as mesophotic coral ecosystems, which can be found between 100 and 500 feet below sea level. 43 percent of fish species documented at the mesophotic reefs are unique to the Hawaiian Islands. At Maui’s ‘Au’au channel the largest uninterrupted mesophotic coral ecosystem was discovered, with an area larger than 3 square miles. These reefs contained many stony, reef building coral that belong to the genus Leptoseris, which are adapted for deep
Rulers of the Hawaiian Islands ivory tooth carved for the use of the ruling chiefs. It would be worn, suspended by finely coiled human hair and, when worn, is called a "lei niho palaoa". The royal standard of the ali‘i was the kāhili, a symbol of the ruling chiefs. It was a stem of bundled feathers that were carried by attendants. Rulers of the Hawaiian Islands The rulers of the Hawaiian islands ("noho aliʻi o ko Hawaiʻi Pae ʻAina") are a line of native Hawaiians who were independent rulers of various subdivisions of the land and islands of Hawaii. Their genealogy is traced to Hānalaʻanui