Five of eight tuna species are now threatened or nearly threatened with extinction due to overfishing, according to the Red List of Threatened Species, compiled by the Swiss based International Union for the Conservation of Nature (IUCN).
The waters off China, the Mediterranean Sea and the Gulf of Mexico have been featured in the the top five regions in terms of biodiversity according to the preliminary census published in the open access Public Library of Science. It is a result of a 10-year project by 360 scientists at a cost of US$ 650 million dollars.
The coral triangle region is known as the center of marine biodiversity. The six countries encompassing the region are Indonesia, Malaysia, Papua New Guinea, the Philippines, Solomon Islands and Timor Leste.