Vampire Shrimp are living, automatic aquarium filters - they use a feather-like clasper or holder on each side of their bodies to filter particles floating in the flow of your aquarium’s currents!These shrimp are able to change colors, ranging from a deep, silvery blue to a russet brown.Similar to Singapore Flower Shrimp in the way that they are extremely peaceful and filter water particles. However, these shrimp grow larger than Singapore Flower Shrimp.These are MUCH larger than dwarf shrimp, growing to a maximum size of 5 to 6 inches. Their diet can be supplemented with shrimp or fish foods, flakes, mineral supplements, etc.All Aquatic Arts plants and animals come with a 100% live arrival guarantee and free email support! We thoroughly inspect each shrimp before shipping to ensure they arrive alive and healthy.