Tridacna clams have become very popular among marine aquarium hobbyists. Their most distinguishing feature is their large two-part shell and interior mantle. Most of these saltwater aquarium clams for sale have colorful and vibrant patterns weaved into their mantles, making them an eye-catching addition to any aquarium. Proper water movement, lighting, positioning, and trace elements will ensure the health of these captivating creatures! Besides their beauty, our live saltwater clams provide an additional benefit to your saltwater aquarium: natural filtration. Like our aquarium macroalgae, they constantly filter nutrients such as ammonia and nitrate from the water, improving overall water conditions. Clams will also adapt to a variety of conditions, making them ideal for beginners. See our options below!