The Penn Plax Castle Aquarium Decoration offers visual interest to your tank while reducing fish boredom. Painted in shades of grey, this medieval castle is perched upon a rocky landscape with a flowing waterfall underneath. This aquarium decoration serves two purposes, to add visual interest for humans but also acts as a hideaway and passageway for your fish. This aquarium ornament measures 12.8 inches across by 14.8 inches high by 8 inches deep. Castle is doubled sided and can be placed anywhere in your fish tank. This aquarium ornament is freestanding and double sided so it can be placed anywhere in your fish tank