🐌 Ivory Assassin Snail – More Information Page

🌏 Natural History of Anentome helena

Anentome helena originates from freshwater rivers, streams and floodplains throughout Southeast Asia, particularly Thailand, Malaysia and Indonesia.

Unlike most aquarium snails, they are specialised carnivores that evolved to hunt other small snails and scavenged animal matter.

💡 Despite their reputation, they are surprisingly calm animals that spend much of their day slowly exploring the aquarium.

⚖️ Nature's Population Controllers

Assassin snails have earned their name because they naturally prey on nuisance snail species.

They are particularly effective at controlling populations of:

🐌 Bladder snails

🐌 Pond snails

🐌 Small ramshorns

🐌 Other rapidly reproducing pest snails

Unlike chemical treatments, they provide a natural and sustainable solution to overpopulation issues.

🤍 The Ivory Variant

The Ivory Assassin is a rare leucistic form of Anentome helena.

Instead of the classic dark brown and yellow striped shell, these snails develop a beautiful creamy ivory appearance while maintaining their natural behaviour and ecological role.

✨ The result is a highly unusual combination of utility and elegance.

Against dark substrates and green plants, they become genuine display animals rather than simply functional tank inhabitants.

🦐 Compatibility With Shrimp

This is probably the most common question we receive.

The answer is:

Generally yes, but with some caveats.

Healthy adult shrimp are usually ignored.

However:

✅ Adult Neocaridina are typically safe.

⚠️ Very young shrimplets may occasionally be vulnerable.

⚠️ Weak, dying or recently deceased animals may be scavenged.

In healthy, established shrimp aquariums, compatibility is usually excellent.

🥚 Slow Reproduction Is A Good Thing

Unlike many common snails, Assassin snails reproduce very slowly.

They lay individual eggs rather than large gelatinous clusters.

This means they are unlikely to become a nuisance themselves.

For most hobbyists, this makes them one of the easiest snail populations to manage long-term.

🌿 Perfect Aquarium Pairings

Ivory Assassins pair exceptionally well with:

🦐 Neocaridina shrimp colonies

🌿 Planted aquariums

🪨 Stone aquascapes

🪵 Nature-style layouts

⚖️ Tanks requiring pest snail control

They are especially attractive in dark, heavily planted aquariums where their ivory shells create a beautiful contrast.

📊 Quick Summary

🧬 Scientific name: Anentome helena

🌏 Origin: Southeast Asia

⚖️ Role: Population Control Specialist

🤍 Variant: Ivory (Leucistic)

🌿 Plant safe: Yes

🦐 Shrimp compatibility: Generally safe

🥚 Reproduction: Slow

🌡️ Difficulty: Easy

🇮🇪 Bred by: Just Keep Shrimping, Cork, Ireland