🐌 Assassin Snail (Clea helena)
🐌 Assassin Snail (Clea helena)
Freshwater Snail • Pest Snail Predator • Sand-Burrowing Mollusk • Planted Tank Safe
📋 The Assassin Snail (Clea helena) is a highly effective freshwater snail prized for its ability to control unwanted pest snails naturally.
This species thrives in clean, stable water with sandy substrate, where it spends much of its time partially buried while hunting.
Despite its predatory nature toward other snails, it remains community friendly with fish and shrimp, making it ideal for planted aquariums.
As a pest snail predator, the Assassin Snail offers a chemical-free solution for snail control while adding interest and balance to freshwater setups.
💡 Highlights
✨ Pest Snail Predator: Actively controls nuisance snails
🌿 Plant-Safe: Does not damage live plants
⚪ Community Friendly: Safe with fish and shrimp
📏 Compact Size: Suitable for nano to large tanks
💧 Clean Water Lover: Prefers stable, well-maintained aquariums
🧾 A Quick Look at the Assassin Snail
📛 Common Name: Assassin Snail
🔬 Scientific Name: Clea helena
👨👩👧 Family: Nassariidae
🌍 Origin: Southeast Asia (Thailand, Indonesia, Malaysia)
📏 Max Size: 2–3 cm (≈ 0.8–1.2″)
💧 pH Range: 6.5–7.5
🌡️ Temperature Range: 22–28 °C (≈ 72–82 °F)
🧠 Care Level: Easy
💖 Temperament: Peaceful (predatory to snails only)
🏠 Min Tank Size: 20 L (≈ 5 gallons)
📌 Tank Level: Bottom / substrate
🧬 Captive Bred: ✅ Yes
🌿 Wild Caught: ❌ No
⏳ Lifespan: 2–3 years
🍽️ Diet: Other snails, sinking pellets, frozen foods
🐣 Reproduction: Egg layers (slow breeding)
















