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
Hawaiian sovereignty movement Hawaiian sovereignty movement The Hawaiian sovereignty movement () is a grassroots political and cultural campaign to gain sovereignty, self-determination and self-governance for Hawaiians of whole or part Native Hawaiian ancestry with an autonomous or independent nation or kingdom. Some groups also advocate some form of redress from the United States for the 1893 overthrow of Queen Liliuokalani, and for what is described as a prolonged military occupation beginning with the 1898 annexation. The movement generally views both the overthrow and annexation as illegal. Palmyra Island and the Stewart Islands were annexed by the Kingdom in the 1860s and are regarded