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Indian Ocean

Top subregions

Top regions sorted by number of observed species
Rank Region Species Checklists Species
1 Madagascar
259
14,212
2 Seychelles
208
1587
3 British Indian Ocean Territory
127
185
4 Cocos (Keeling) Islands
118
516
5 Christmas Island
105
747
6 Maldives
105
354
7 Comoros
97
74
8 French Southern and Antarctic Lands
88
620
9 Mauritius
84
998
10 Réunion
76
457
11 Mayotte
44
40