The Nassarius snail is an increadible scavenger with an oval spiral shell that resembles an olive pit, with a long tube like siphon that protrudes from the end of the shell. One of the best scavengers and detritus eaters these snails are perfect for the reef aquarium, quickly consuming detritus, uneaten food, decaying organics, and fish waste. Nassarius Snails like to bury themselves in the sand, which will help maintain adequate oxygen levels in the substrate. The Nassarius Snail prefers an established aquarium with live rock and a deep sand bed. These snails are sensitive to high nitrate levels and copper-based medications.