Cerith Snail - Cerithium sp.
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The Cerith Snail (Cerithium sp.) is a small and peaceful marine snail, valued for its algae- and detritus-grazing behavior and elegant spiral shell. This invertebrate is a great addition to reef aquariums, helping maintain clean substrate and rock surfaces.
Common Name: Cerith Snail
Scientific Name: Cerithium sp.
Family: Cerithiidae
Size: Up to 1 inch (2.5 cm)
Temperament: Peaceful
Difficulty: Easy
Reef Safe: Yes
Native Region: Found throughout the Indo-Pacific, commonly inhabiting shallow reefs, sandy flats, and rubble areas with abundant algae.
Tank Size: Minimum of 10 gallons
Temperature: 74–80°F (23–27°C)
pH: 8.0–8.4
Salinity: 1.023–1.025
Substrate: Sand and live rock with algae-covered surfaces for grazing.
• Algae & Detritus Control: Grazes on film algae, detritus, and microalgae, helping maintain clean tank surfaces.
• Behavior: Peaceful and slow-moving; often climbs rocks and substrate while feeding.
• Diet: Herbivorous—supplement with dried seaweed or algae wafers if natural algae is scarce.
• Tankmates: Compatible with most reef fish and invertebrates; avoid aggressive crabs or fish that may harm the snail.