Pest snails can be a major issue in your tank! They multiply quickly and become unsightly! Malaysian trumpet snails are one of my nemesis! Tough, reproduce fast and I just do not enjoy them in the tank! Adding assassin snails (snails that actually eat snails)is a great way to control the population, we added 60 to this tank and only 20 minutes later they are waging war on the original trumpet snails! Once they have done their job the assassin snails looks more decorative and in most tanks reprod