This Marine IBA is identified using tracking data. It falls within the French Southern Territories Exclusive Economic Zone (EEZ) and the Indian Ocean, FAO ocean region. The site covers an area of 23672 km2 and is 331 km away from the closet coastline. The depth ranges from 2904 to 4033 m, with a mean annual wind speed of 2.77 m/s, mean annual sea surface temperature falls between 7.31 and 10.88 °C and mean annual chlorophyll-a concentrations found to range between 0.24 and 0.48 mg/m3.
2 species trigger IBA criteria at this Marine IBA. BirdLife analyses of tracking data estimates that 251-2506 individuals of Wandering Albatross (VU) from Iles Crozet are present at the site during the Immature (Feb-Oct) life-history stage. 540-5400 individuals of Sooty Albatross (EN) from Iles Crozet are present at the site during the Post-guard (Jan-May) life-history stage.