Beachgoers in Mexico were treated to a rare sighting earlier of a shimmering oarfish, native to the deep sea and known as a 'doomsday' fish.

Play now! "Nobody's gonna believe this," the man is heard saying as one of the beachgoers approaches the oarfish to take pictures with it. "The first one I saw was 24 feet long. They've been found up to 30 feet.

Beachgoers were shocked to find a rarely seen oarfish swimming in the shallow waters of a Baja California Sur beach in Mexico on Sunday, 9. Footage from Robert Hayes shows the iridescent fish flailing in the shallows,