![An unidentified species of sea urchin in the genus <em>Diadem</em>a, photographed at 280 feet at French Frigate Shoals.](images/biogeo2014/biogeo2014_5_sml2.jpg)
An unidentified species of sea urchin in the genus
Diadema, photographed at 280 feet at French Frigate Shoals. Experts say this is probably a new species, completely new to science and never before photographed or collected. It is a close relative of the shallow-water wana, or long-spined sea urchin (
Diadema paucispinum). Credit: NOAA and Robert Whitton/Bishop Museum