• Ashtamudi Lake is a unique, large, palm-shaped wetland ecosystem located in the Kollam District of Kerala, India.
• It is the second largest lake in Kerala, after Vembanad Lake, covering about 38 to 61.4 square kilometers.
• The name "Ashtamudi" means "eight peaks" in Malayalam, referring to the lake's eight distinct arms or channels, indicative of its intricate topography.
• The lake is fed by several rivers, notably the Kallada River, and drains into the Arabian Sea via the Neendakara estuary.
• It is Kerala's deepest estuary with a maximum depth of about 6.4 meters.
• The lake supports a rich biodiversity, including numerous fish species, shellfish like short-neck clams, and extensive aquatic flora.
• Ashtamudi Lake is also a critical habitat for migratory waterfowl and a nursery for commercially important marine species.
• It is significant both ecologically and economically. The lake sustains local livelihoods through fishing, coir production from coconut husk retting, and tourism, especially houseboat cruises.
• In 2002, Ashtamudi Lake was designated a Ramsar site, recognizing its international importance as a wetland.

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