Ripley's Aquarium of Canada is an aquarium in Toronto Ontario.The aquarium is one of three aquariums owned and operated by Ripley Entertainment . It is located in downtown Toronto, just south of the CN Tower.The aquarium features several aquatic exhibits including a walk-through tank. The aquarium has 5.7-million litres (1.5-million gallons) of marine and freshwater habitats from across the world. The exhibits hold 13,500 exotic sea and freshwater specimens, from more than 450 species.