Huge graveyard of fossilized shark teeth found deep in Indian Ocean

A graveyard filled with thousands of shark teeth lies nearly 3.5 miles (5,400 kilometers) below the surface of the Indian Ocean.

Researchers made the shocking discovery in October during a month-long expedition along the southern tip of Indonesia in Researcher RV (opens in new tab), a 308-foot (94 m) research vessel operated by the Commonwealth Scientific and Industrial Research Organization (CSIRO), Australia’s national science agency. On the last day of the trip, and after 26 previous attempts, the researchers sank a trawl net into deep water hoping to catch fish as part of an ongoing biodiversity survey. Instead, they pulled out a net with hundreds of shark teeth, according to a statement (opens in new tab).

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