Purple Black Mystery Snail (Pomacea diffusa)

The Purple Black Mystery Snail (Pomacea diffusa) is a rare and highly sought-after freshwater aquarium snail known for its deep black shell accented by rich purple undertones. Its unique coloration creates stunning contrast against green aquatic plants, driftwood, and lighter substrates, making it a favorite among planted tank enthusiasts and collectors.

Beyond its beautiful appearance, the Purple Black Mystery Snail serves as a valuable member of your aquarium cleanup crew, helping consume algae, biofilm, and leftover food while remaining safe for healthy aquatic plants.

Quick Facts

• Scientific Name: Pomacea diffusa
• Common Name: Purple Black Mystery Snail
• Adult Size: Up to 2 inches
• Temperament: Peaceful
• Care Level: Easy
• Diet: Omnivore
• Lifespan: 1–3 years
• Minimum Tank Size: 5 gallons
• Water Temperature: 68–82°F
• pH Range: 7.0–8.2
• Plant Safe: Yes
• Community Safe: Yes

Why Choose a Purple Black Mystery Snail?

✔ Rare black and purple shell coloration
✔ Excellent algae and biofilm grazer
✔ Helps consume leftover food and detritus
✔ Safe with fish, shrimp, and live plants
✔ Beginner-friendly freshwater snail
✔ Adds unique color and personality to planted aquariums

Aquarium Setup

Purple Black Mystery Snails thrive in established freshwater aquariums with stable water parameters and plenty of surfaces to explore. They do exceptionally well in planted tanks, shrimp aquariums, community fish tanks, and nano setups.

Because Mystery Snails rely on calcium for healthy shell development, maintaining adequate mineral levels is important. Calcium-rich foods, cuttlebone, or aquarium-safe mineral supplements can help support long-term shell health.

A secure aquarium lid is recommended, as Mystery Snails may occasionally venture above the waterline.

Diet & Feeding

While Purple Black Mystery Snails naturally graze on algae and biofilm, supplemental feeding is recommended for optimal health.

Recommended foods include:

• Algae wafers
• Shrimp pellets
• Blanched zucchini
• Cucumber
• Spinach
• Calcium-rich foods
• Leftover fish food

Tank Mates

Purple Black Mystery Snails do well with:

• Tetras
• Rasboras
• Corydoras
• Guppies
• Endlers
• Platies
• Mollies
• Shrimp
• Other peaceful community fish

Avoid keeping them with aggressive snail-eating fish such as puffers, large cichlids, and many loach species.

Frequently Asked Questions

Do Purple Black Mystery Snails eat algae?
Yes. They help consume algae, biofilm, and leftover food, making them a useful addition to aquarium cleanup crews.

Are Purple Black Mystery Snails safe for planted tanks?
Yes. They generally do not damage healthy aquarium plants and are commonly kept in planted aquariums.

How big do Purple Black Mystery Snails get?
Most adults reach approximately 2 inches in shell diameter.

Do Purple Black Mystery Snails need calcium?
Yes. Calcium is important for maintaining strong shell growth and preventing shell erosion.

Will Purple Black Mystery Snails reproduce in freshwater?
They may lay egg clutches above the waterline, but reproduction is easy to control because the eggs are visible and can be removed if desired.

Available at Tropical Treasures Wyo

Shop healthy Purple Black Mystery Snails at Tropical Treasures Wyo in Cheyenne, Wyoming. These rare freshwater aquarium snails are perfect for planted tanks, shrimp aquariums, and peaceful community fish setups.

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