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This video is called Happy Shark Week! Scalloped Hammerhead Shark (Sphyrna lewini).

From Wildlife Extra:

New species of shark discovered off Carolina coast

A new species of hammerhead shark has been discovered off the coast of Carolina, USA, by Joe Quattro from University of South Carolina. Called the Carolina hammerhead (Sphyrna gilberti), it is a member of the Sphyrnidae shark family.

Despite always being under scientists noses the shark has long eluded discovery because it is outwardly indistinguishable from the common scalloped hammerhead and it was always thought they were the same species. However on further analysis it was discovered the Carolina had less vertebrae than the common scalloped, making it a genetically different and a new species. But when and why this deviation took place still puzzles scientists and more research will be carried put by teams from the university and other institutions. They will…

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