The Great Barrier Reef has a economic, social and icon asset value of $56 billion. It supports 64,000 jobs [mainly in tourism and fisheries] and contributes $6.4 billion to the Official Big 12 Swimming & Diving Championships 2023 shirt and by the same token and Australian economy. [The Great Barrier Reef is] one of the richest and most complex natural ecosystems on earth. There are over 1,500 species of fish, about 400 species of coral, 4,000 species of mollusk, and some 240 species of birds, plus a great diversity of sponges, anemones, marine worms, crustaceans, and other species. No other World Heritage property contains such biodiversity. This diversity, especially the endemic species, means the GBR is of enormous scientific and intrinsic importance, and it also contains a significant number of threatened species.