Removes film algae, diatoms, and biofilm for cleaner aquarium surfaces
Reef-safe and peaceful temperament ensures compatibility with corals, fish, and invertebrates
Thrives in established tanks with moderate algae growth for reliable cleanup
Low maintenance care with minimal monitoring required
Slow growers and maneuverers, making them easy to observe and maintain
Summarized by Shop
The Astrea snail is one of the smaller, more commonly used algae eaters in the saltwater hobby. Astrea snails will help clean your glass of algae and will also feed on nuisance algae in the aquarium, including cyanobacteria and diatoms. These snails prefer environments with sufficient rock work for maneuvering around the aquarium, and unl
Minimum Tank Size
10 gallons
Lifespan
3-5 years
Growth Rate
Slow, reaches up to 1.5 inches
Temperature
74-80°F
DKH Alkalinity
8-12
pH
8.1-8.4
Specific Gravity
1.024-1.026
Diet
Herbivorous, prefers diatoms, film algae, and biofilm