Earths Realms
- Shanti Bants
- Aug 26, 2025
- 1 min read
The earth is divided into eight (8) land realms and twelve (12) ocean realms based on the similar adaptation of species caused by major biogeographical barriers. The earths realms are the largest and least specific division of earths organisms.
The Land Earths Realms

The Ocean Earths Realms
Arctic realm (AR)
Temperate Northern Atlantic (TN)
Temperate Northern Pacific (TP)
Tropical Atlantic (TA)
Western Indo-Pacific (WI)
Central Indo-Pacific (CI)
Eastern Indo-Pacific (EI)
Tropical Eastern Pacific (TE)
Temperate South America (TS)
Temperate Southern Africa (TF)
Temperate Australasia (TU)
Southern Ocean (SO)











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