Tara Pacific expedition - november 2017 Isolated reef rises from considerable depths to forty-five feet (14 meters) below the surface. As with Bradford Shoals, the basic reef structure is primarily composed of flat plates and mounds of non-staghorn corals. In addition there are also large stands of a grayish soft coral, probably Nephthya. From the bare patch at its crest (15-25m depth) , the reef falls away in sheer vertical walls, D: 31 m, Inglis Shoal seamount, Kimbe Bay, Papua New Guinea