(Sphere) [Biosphere] (Earth) - zone of life
   (Biogeographic realm) Western Indo-Pacific
     230 (Marine ecoregion) Maldives, Chagos, Lakshadweep Atolls
     231 (Marine ecoregion) Red Sea
     232 (Marine ecoregion) Arabian Sea
     233 (Marine ecoregion) East African Marine
     234 (Marine ecoregion) West Madagascar Marine