Nerite Snail

The Nerite Snail (Neritina natalensis) is a popular choice among aquarists for its exceptional algae-eating capabilities and peaceful demeanor. These snails are not only efficient cleaners but also add aesthetic appeal to aquariums with their diverse and striking shell patterns.

Essential Information

• Common Names: Nerite Snail
• Scientific Name: Neritina natalensis
• Family: Neritidae
• Origin/Habitat: Native to coastal and inland waters of East Africa, Nerite Snails inhabit both freshwater and brackish environments, often found in rivers, estuaries, and tidal zones.
• Maximum Size: Typically grows up to 1 inch (2.5 cm) in diameter.
• Lifespan: With proper care, they can live up to 2 years in captivity.
• Level of Difficulty: Easy; suitable for both novice and experienced aquarists.
• Reef Safe: Yes; they are peaceful and do not harm corals or other reef inhabitants.

Appearance & Physical Traits

• Coloration & Pattern: Nerite Snails are renowned for their diverse and vibrant shell patterns, which can include stripes, spots, and swirls in various colors such as black, brown, green, and yellow.
• Body Shape & Structure: They possess a rounded, smooth shell that provides protection and adds to their aesthetic appeal.

Habitat & Environmental Needs

• Minimum Tank Size: A well-established aquarium of at least 5 gallons (19 liters) is recommended to provide adequate space and stable water conditions.
• Water Temperature: Prefer temperatures between 72°F and 78°F (22°C to 25.5°C).
• pH Level: Maintain between 8.0 and 8.4.
• Specific Gravity: Optimal range is 1.023 to 1.025.
• Aquascape: Provide ample live rock and a sandy substrate to offer grazing surfaces and hiding spots.

Diet & Feeding

• Diet Type: Herbivorous; primarily consumes various forms of algae.
• Preferred Foods: Feeds on diatoms, film algae, and other microalgae present on rocks and aquarium surfaces.
• Feeding Frequency: In a well-established aquarium with sufficient algae growth, they typically do not require supplemental feeding.

Behavior & Compatibility

• Temperament: Peaceful and non-aggressive; spends much of the day grazing on algae.
• Social Behavior: Compatible with a wide range of reef-safe fish and invertebrates.
• Tank Mate Compatibility: Avoid housing with aggressive predators that may prey on snails.
• Activity Level: Primarily active during nighttime hours.

Care Considerations & Additional Notes

• Ease of Care: Easy; they are hardy and adaptable, making them suitable for various marine aquarium setups.
• Special Requirements: Ensure stable water parameters and avoid exposure to copper-based medications, as they are sensitive to copper.
• Breeding Info: While Nerite Snails can lay eggs in freshwater aquariums, successful hatching and rearing of offspring typically require brackish water conditions.
• Additional Notes: Nerite Snails are known for their ability to clean algae off of plants, glass, and decorations, making them a valuable addition to any aquarium.