Pink Margarita Snail - Margarites pupillus
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The Pink Margarita Snail (Margarites pupillus) is a small, attractive marine snail known for its delicate pink shell and algae-grazing habits. This peaceful invertebrate is an excellent addition to reef aquariums, helping maintain clean surfaces while adding subtle color to the tank.
Common Name: Pink Margarita Snail
Scientific Name: Margarites pupillus
Family: Margaritidae
Size: Up to 0.5 inches (1.3 cm)
Temperament: Peaceful
Difficulty: Easy
Reef Safe: Yes
Native Region: Found throughout the North Pacific and Indo-Pacific regions, commonly inhabiting shallow rocky reefs and tide pools with abundant algal growth.
Tank Size: Minimum of 5 gallons
Temperature: 72–78°F (22–26°C)
pH: 8.0–8.4
Salinity: 1.023–1.025
Substrate: Rockwork and live rock surfaces for grazing; thrives in mature tanks with established biofilm and algae.
• Algae Control: Grazes on film algae and microalgae, helping maintain clean tank surfaces.
• Behavior: Peaceful and slow-moving; may attach to rocks or glass while feeding.
• Diet: Primarily herbivorous—supplement with dried seaweed or algae wafers if needed.
• Tankmates: Compatible with all peaceful reef fish and invertebrates; avoid predatory crabs or fish that may harm the snail.