Olive Nerite Snails are small snails with an elongated, smooth shell. They have a dark olive-green coloration, which gives them their name. These snails are highly efficient algae eaters, particularly in freshwater and brackish environments. Olive Nerite Snails are peaceful and safe to keep with other peaceful tank mates. They are an excellent choice for planted aquariums.
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Olive Nerite Snails are small snails with an elongated, smooth shell. They have a dark olive-green coloration, which gives them their name. These snails are highly efficient algae eaters, particularly in freshwater and brackish environments. Olive Nerite Snails are peaceful and safe to keep with other peaceful tank mates. They are an excellent choice for planted aquariums.
Smooth olive-colored shell with subtle patterns, small and sturdy.
1-2 years
Herbivorous. They feed on algae and biofilm.
Olive Nerite Snails are excellent for algae control in community tanks. Avoid aggressive or snail-eating tankmates.
Easy
5 gallons
7.0 - 8.5
Moderate
22°C - 28°C (72°F - 82°F)
1 inch
Small peaceful fish like guppies, tetras, danios; other peaceful snails
Loaches (Clown Loach), Crayfish, Assassin Snails, Goldfish
Vitta usnea
Neritidae
Southeast Asia
Peaceful, social with other snails and peaceful fish
Feeds mainly on algae and biofilm. Can supplement with blanched vegetables or algae wafers.
Egg layers; eggs require brackish water to hatch
Lays small egg clusters above waterline; eggs need brackish water to hatch.
Stable pH and hardness; avoid copper-based medications.
Prone to shell erosion if water is too soft or acidic, or if housed with aggressive tankmates.
Peaceful and non-aggressive. They are safe to keep with other peaceful tank mates.
Active algae grazer, mostly stays on tank surfaces. Very peaceful and hardy.
Olive Nerite Snail (Vitta usnea) is a peaceful freshwater snail from Southeast Asia. Known for its olive-colored shell and excellent algae-grazing ability. Ideal for planted and community aquariums. Avoid loaches, crayfish, assassin snails, or goldfish. Eggs require brackish water to hatch, and calcium-rich water supports healthy shell development.