Clithon diadema — Horned Nerite Snail
Size: 0.5-1cm
Add personality, colour, and premium algae-eating power to your aquarium with the Clithon diadema, also known as the Crown Nerite Snail. Recognized for its spiked, crown-like shell, this species is one of the most visually striking nerites available in the hobby.
Each shell features unique patterns ranging from tiger stripes, spotted markings, bold yellow bands, to deep earth tones — no two individuals look the same. Their compact size and exotic appearance make them especially popular in nano aquascapes, shrimp tanks, and Iwagumi layouts.
✨ Key Highlights
-
👑 Iconic Spiked “Crown” Shell
-
🧽 Excellent Algae Control — handles soft green algae, film algae, diatoms, and biofilm
-
🌿 Plant & Shrimp Safe
-
🚫 Zero Risk of Overpopulation — will not breed in freshwater
-
🐌 Compact Size Perfect for Nano Tanks
📏 Size
Approx. 1–2 cm
💧 Water Parameters
| Parameter | Ideal Range |
|---|---|
| Temperature | 22–28°C (72–82°F) |
| pH | 7.0–8.5 |
| GH | 6–15 dGH |
| KH | 3–10 dKH |
| Minimum Tank Size | 5+ gallons |
🍴 Diet
Clithon diadema thrive primarily on:
-
Soft algae
-
Green film algae
-
Diatoms
-
Biofilm
Supplement if the tank is spotless:
-
Spirulina wafers
-
Algae-based shrimp foods
-
Calcium-rich snail formulations
✔️ Compatibility
Safe with:
-
All aquarium plants
-
Neocaridina & Caridina shrimp
-
Peaceful nano fish
-
Betta tanks & aquascapes
Avoid:
-
Loaches
-
Pufferfish
-
Crayfish
-
Other known snail predators
⚠ Notes
-
May occasionally climb the glass above the waterline — secure lids are recommended.
-
Shell spike length varies and may naturally wear down over time.
🧪 Summary
The Clithon diadema is a beautifully patterned, collectible nerite snail that delivers excellent algae control without compromising the aesthetics of your aquarium. Its unique crown-spiked shell, peaceful temperament, and low-maintenance care make it an ideal choice for both beginner aquarists and advanced aquascapers.