Horned Nerite Snail (Clithon sp)

Species Highlight

• Size: 1–2 cm

• Temperament: Peaceful, slow-moving algae grazer

• Origin: Southeast Asia (coastal streams and rivers)

• Tank Role: Natural algae control for glass, rocks, and hardscape

• Appearance: Distinctive “horned” shell with striped or patterned markings

• Special Feature: One of the most effective and low-maintenance algae-eating snails

Fun Facts

• The “horns” on their shell are natural and make them unique among aquarium snails.

• Nerite snails are excellent at removing film algae and soft green algae.

• They do not overpopulate freshwater tanks — their eggs need brackish water to hatch.

Care Recommendations

• Group size: 2–5+ depending on tank size

• Tank size: 5 gallons+

• Diet: Algae, biofilm; supplement with algae wafers if needed

• Aquascape: Rocks, driftwood, and glass surfaces to graze on

• Tankmates: Safe with shrimp and peaceful community fish

• Water parameters: Stable, clean water; avoid copper