Southeast Asian coral reefs have the highest level of biodiversity for the world's marine ecosystem. Coral reefs are a fragile ecosystem and highly vulnerable to overfishing, destructive fishing practices, pollution, and natural factors. Climate change is one of the natural factors that impacted coral reefs such as bleaching. Indonesia holds 12.5% of the world's total coral reefs area (±58.000 km2). Bali, part of The Coral Triangle is one of the popular areas in Indonesia and need to be closely monitored.