Poisson Cru is a traditional Tahitian dish that is popular in Bora Bora. It is a raw fish salad marinated in lime juice and coconut milk. The fish is typically fresh tuna or mahi-mahi, and it is mixed with diced vegetables such as tomatoes, cucumbers, and onions. Poisson Cru is a refreshing and light dish that showcases the flavors of the Pacific Ocean.