Patent ID: 8113147

Claim:
An aquarium, comprising: a transparent casing for holding water and water animals and plants, said transparent casing having a top opening located on a top side thereof and a plurality of rounded protrusions raised from a top surface of a bottom wall thereof; a top cover adapted for closing the top opening of said transparent casing; a base member attached to a bottom surface of the bottom wall of said transparent casing, said base member defining an open space corresponding to the rounded protrusions of said transparent casing; and a LED lamp detachably mounted in the open space in said base member, said LED lamp comprising a plurality of light emitting diodes respectively kept in vertical alignment with the rounded protrusions of said transparent casing, a set of battery cells, a switch electrically connected between said light emitting diodes and said set of battery cells and controllable to switch on/off said light emitting diodes.