A 15-foot, 2,137-pound great white shark is traveling up the Carolinas coast and heading toward North Carolina’s Outer Banks, according to researchers.

The shark, named Luna, “pinged in” last week off the coast of the Carolinas, according to a Facebook post from OCEARCH, a research organization that tags and tracks great white sharks.

According to OCEARCH’s tracking records, on May 9, 11:34 a.m., Luna was swimming through a deep sea area known as the Charleston Bump, 80 to 100 miles off the coast.

The organization has been tracking the shark for months, according to the Charlotte Observer. Luna began its journey traveling south from the Canadian coast in October 2018 and made it to the southern tip of Florida before doing a U-turn toward the Carolinas, according to OCEARCH’s tracking records.

OCEARCH is also tracking a 12-foot, 9-inch great white shark named Caroline, which was swimming closer to Edisto Beach in South Carolina last week. On Monday, Caroline pinged in again off the coast of Georgia.

A “ping” occurs when a tagged shark’s dorsal fin breaks the surface of the water and transmits a signal to an overhead satellite, and then, the transmission sends back an approximate geolocation for tracking purposes, the organization told Pensacola News Journal.

Luna and Caroline are two of eight great white sharks  currently being tracked by OCEARCH off North Carolina and South Carolina. Four of them are off the Outer Banks, said OCEARCH. The others range in size from 9 feet 8 inches to 14 feet 9 inches.

OCEARCH experts believe the great white sharks off the Carolinas are feasting on fish dragged north by the Gulf Stream.

In April, a 1,600-pound female great white shark, named Miss Costa, pinged in off the Florida coast. Miss Costa’s trip to the Florida panhandle is important, because the organization doesn’t often track big white sharks that far north into the Gulf of Mexico, especially if they’re female great white sharks.

Through tagging sharks, OCEARCH collects real-time data with its Global Shark Tracker, helping scientists generate previously unattainable data.

You can follow the great white sharks Luna and Caroline on Twitter.

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