Poisson Cru is a traditional dish in Bora Bora, which consists of raw fish marinated in lime juice and coconut milk. The fish is typically caught fresh from the surrounding waters and is often served with diced vegetables like tomatoes, cucumbers, and onions. The combination of the tangy lime juice and creamy coconut milk creates a refreshing and flavorful dish that is perfect for the tropical climate of Bora Bora.