Add an authentic-looking prehistoric feature to your aquarium with this Marina Fossil Ornament. This ornament features a complete replica of a fossilized tiger fish that paleontologists dream of discovering. This life-like polyresin ornament is a meticulous replica of a real rock and blends in naturally in a wide variety of settings. Made of non-toxic polyresin, it will not affect water chemistry or clarity. It is also lightweight, minimizing possible damage to aquarium glass.