Gulf of Mannar 

Location: Tamil Nadu (Indian part of Gulf of Manna) 

Details: 

Ecosystem types: Tropical Dry Broad-leafed forest, seaweed communities, sea grass communities, coral reefs, salt marshes, and mangrove forests. 

Endemic Flora: Endemic Flora: Morning glory, Jatropha, Halophila grass 

Fauna: 

Endemic Fauna:  Sea Cow, Sea Anemone, Sea fans 

Protected areas: 

Gulf of Mannar Marine National Park 

Note: 

First marine Biosphere Reserve in India  

Falls within the Indo-Malayan realm