Aquariums Book of Facts

An aquarium is made of glass or extremely strong plastic and is basically made for holding
fish, amphibians or any other type of marine animal. These fish can be tropical or salt
water, or even corals but the aquarium has to be able to maintain the weight of the water
that will be put into the tank. Aquariums are fast becoming one of the leading hobbies
around, many people use aquariums for decorative purposes.