10 Bladder Snails. They grow up to about 1 inch, and are very hardy. They can survive in a wide variety of freshwater water parameters. Prefers 64-84 degrees F water. Reproduce quickly. Great for algae maintenance and cleaning up detritus. Eats fish waste, leftover food, or dead matter. They do not need to be fed in a tank with plants and fish. Does not eat healthy plants. Also accepting any hard leaved plants as trade.