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INTRODUCTION
An Aquarium is a transparent tank or a bowl or an artificial pool where live fishes and other aquatic animals are kept.. It provides a controlled environment for keeping and displaying fish, plants, and other aquatic life in a simulated natural environment by introducing aquatic plants, rocks, gravels, artificial decorative etc.
In effect, an aquarium is a biological entity. Each of its elements – water, glass, light, sand, gravel, plants, fish, make a harmonious whole, with the same ecological balance as exists in nature.
Aquariums are important in learning and research institutions for teaching and studying aquatic biological systems like food webs, courting behavior , breeding patterns and for studying their morphological and anatomical structures