Black Nassarius Sand Snails are outstanding scavengers and excellent additions to maintain a clean and stirred sand bed. While they may spend a lot of their time buried in the sand, at the first scent of food or decay, they arrive as if out of nowhere. The Black Nassarius Sand Snail is considerably larger than the common Nassarius Vibex reaching sizes of over 1”. The Nassarius Snail is a must-have addition to any marine aquarium. Known for their incredible scavenging abilities, these hardy snails play a vital role in maintaining a clean and healthy tank environment. Native to sandy or muddy seabeds, the Nassarius Snail excels at burrowing into the substrate, helping to aerate it and prevent the build-up of harmful gases. They are expert detritivores, feeding on leftover food, decaying Black Nassarius Sand Snails are outstanding scavengers and excellent additions to maintain a clean and stirred sand bed. While they may spend a lot of their time buried in the sand, at the first scent of food or decay, they arrive as if out of nowhere. The Black Nassarius Sand Snail is considerably larger than the common Nassarius Vibex reaching sizes of over 1”. The Nassarius Snail is a must-have addition to any marine aquarium. Known for their incredible scavenging abilities, these hardy snails play a vital role in maintaining a clean and healthy tank environment. Native to sandy or muddy seabeds, the Nassarius Snail excels at burrowing into the substrate, helping to aerate it and prevent the build-up of harmful gases. They are expert detritivores, feeding on leftover food, decaying matter, and waste, ensuring your aquarium stays in pristine condition.