Mafia Island Marine Park in Tanzania, eastern part of the African Continent was established in 1 July 1995 covering a total Area of 882 km².
It includes coral reefs, sea grass beds, mangroves, inter-tidal flats, coastal forest dugong, gold-striped fusilier, cigar wrasse, queen coris, goldbar wrasse, grouper, barracuda, rainbow runner, black-spotted ribbontail ray, blue-spotted ribbontail ray, eagle ray, manta ray, yellowfin tuna, giant trevally, mackerel, bonito, cobia, reef shark[SIA disambiguation needed], green turtle, hawksbill turtle, Comoros lesser flying fox, duiker, bush pig, mongoose, and elephant shrew.