The Natureform Coral Pipe Sponge, classified as Aplysina sp., is a striking aquarium ornament that mimics the appearance of a natural coral sponge with its intricate textures and vibrant green and red colours. Measuring 12.4 x 9.3 x 14.7 cm, this decorative piece is suitable for adding visual interest and complexity to any aquarium setup. Crafted to enhance underwater landscapes, it offers a safe and aesthetically pleasing hideaway for various aquatic creatures.