Indian Ocean

The smallest of the three major oceans, the Indian Ocean covers an area of about 73 million square kilometers (about 28 million square miles) - about 20 percent of the total area covered by the world's oceans. The average depth of the Indian Ocean is 3,890 meters (12,762 feet). Its deepest point is the Java trench, at 7,725 m.

Some of the current issues include -
endangered marine species include the dugong, seals, turtles, and whales; oil pollution in the Arabian Sea, Persian Gulf, and Red Sea