The Shark Reef Aquarium at Mandalay Bay is a public aquarium located at and owned by the Mandalay Bay Resort and Casino in Las Vegas, Nevada. Its main tank is 1,300,000 US gallons (4,900,000 l), one of the largest in North America. The facility is 95,000 sq ft (8,800 m2), and displays numerous species of sharks, rays, fish, reptiles, and marine invertebrates. It also features a shark tunnel. The reef was developed in consultation with the Vancouver Aquarium.

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