On Tuesday, the Orleans Police Department in Massachusetts received an unusual piece of news: A great white shark had mysteriously washed ashore in Cape Cod. Officials called local tow company Nauset Recovery Inc,

Local shark researchers have performed a rare necropsy of a 12-foot great white shark that washed up dead on a Cape Cod beach. The mature male shark — previously identified as “Koala” in 2022 — was found on Nauset Beach earlier this week, and he was secured by officials from the town of Orleans and the Orleans Police Department.

A great white shark that washed ashore at a Cape Cod beach earlier this week is named Koala, and was known to local researchers, investigators said. Its cause of death is still a mystery, as a necropsy was inconclusive.

A necropsy on Koala, the great white shark that washed up dead in Orleans on Oct. 15 was inconclusive. Here's what we know.