Patent ID: 6651586
Filing Date: 2003-11-25
Classification: A01K

Abstract:
A structure for placement within a container configured to simulate a realistic environment for terrestrial, aquatic and amphibious life, the structure comprising:a) a land portion including a return means for returning water to the land portion; and b) an underwater portion, the underwater portion including: i) a wall construction extending downward from the land portion, the wall construction having a bottom edge configured to contact a bottom of the container, and an inner wall surface area; ii) a cave region defined by the inner wall surface area of the wall construction and an opening formed in the wall construction, the opening having an opening area sized for entrance into the cave region, the opening area being less than the inner wall surface area of the wall construction; and iii) at least one secondary opening formed along the bottom edge of the wall construction when said botton edge is in contact with the botton of the container.