Many companies make aquariums. Germany is a major exporter of aquariums and aquatic products. companies like jewel,tetra,top fin,and bi-orb make aquariums.
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probably about 40 or 50 but including water parks and aquariums and water parks about 450
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500
Sea World and I know of one in Vancouver, Canada
Most people are scared and frightened of the dentist. Having aquariums in their waiting room helps their customers relax and not be so scared. That is why aquariums are in most waiting rooms.
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Ultimate Aquariums - 2012 Ultimate Aquariums 1-1 was released on: USA: 12 October 2012
Yes, many species can and are kept by expert aquarists in aquariums. Seahorses are notoriously difficult to care for though, and require very specialized aquariums and diet.
In Canada and the states some of the aquariums that have dolphins are -Marineland in Niagara Falls Canada -Seattle zoo's aquarium in Seattle -sea world in Florida and many more.
Signatures with Aquariums in Forums, Profiles with Aquariums, and it happens by chance.