The Aquatic Arts 1 Live Assassin Snail is a great way to keep your aquarium clean and free of unwanted snails. These carnivorous snails are effective against various types of snails, including pond snails, bladder snails, ramshorn snails, Malaysian Trumpet Snails, and more. The Aquatic Arts 1 Live Assassin Snail is a beautiful black and yellow coloration that can often be found burrowing itself into your aquarium substrate to help clear up the tank.