Description A beautiful snail that is great at eating hair algae and cyanobacteria. Has a spiraled shape with spiny protrusions all the way around. very efficient at eating multiple types of algae. COMMON NAME: Saltwater Spiny Star Astraea Snail SCIENTIFIC NAME: Astrea phoebia SIZE AVAILABLE: ~1/2 inch MINIMUM TANK SIZE: 20 gallons FOOD/DIET: Herbivore CARE LEVEL: Moderately easy REEF SAFE: Yes AVAILABILITY: Most always available - 99% *Also known as Spiny Star Astrea. *Super cool astrea snails - add some pizazz to your tank!