Seapora Freeze-Dried Tubifex Worms are an ideal daily food source for a wide variety of freshwater fish and amphibians such as cichlids, discus, angelfish, cory catfish, rams, platies, gouramis, tetras, barbs and many, many more. Freeze-dried and rich in essential proteins, this delicious, all natural food provides improved energy levels and general overall health. Produces less waste to help maintain a cleaner, healthier aquatic environment. For added fun, the tubifex worms come in a cube shape that can be stuck to the glass as a way to entice a feeding frenzy that is exciting to watch!