USS Flasher (SSN-613)
USS Flasher (SSN-613), a Permit-class submarine, was the second ship of the United States Navy to be named for the flasher, a member of the Lobotidae family of fishes, which have an unusual placement of the second dorsal and anal fins, posteriorly on the body, close to the tail.
Read more about USS Flasher (SSN-613): Construction History, List of Commanding Officers, Awards, Ship Insignia