One of the most remarkable aspects of the Maldives is the amazing diversity of sea life found in the archipelago, with wide range of corals and over 2,000 species of fish, ranging from colorful reef fish to reef sharks, moray eels, and a wide variety of rays: manta ray,stingray, and eagle ray. The Maldivian waters are also home for the whale shark. The Indian Ocean around the Maldives are abundant in rare species, of biological and commercial value. Tuna fisheries being traditionally the main commercial resources of the country, along with shells. In the few ponds and marshes there are some freshwater fish, like Chanos chanos and other smaller species.