(25) Live Nerite Snails for Saltwater Reef Fish Tank Aquarium Algae Eaters Care Level: Very Easy | Size: 0.5-0.75 inch Diet: Hair/Film Algae, Diatoms, Cyanobacteria Compatibility: Completely Safe with all Fish, Inverts and Coral 100% Live Arrival Guarantee. See Description for details Orders over $149 Receive Free Shipping. Build your order from our store and save.