Because of the current system that begins along the Yucatan Peninsula, hard-substrate (also called hard-bottom) features lucky enough to be downstream from the Caribbean have become prime real estate for thousands of species of corals, .... Submarine Ring of Fire 2006: Brimstone Pit ROV Close Call, camera icon Mountains in the Sea 2003: Discover New England Seamount's. Deep Scope 2004: Six-Gill Shark 'Attacking bait at 1600ft'? Submarine Ring of Fire 2006: NW Rota1 ...