You will find assassin snails in clean, fast moving streams with mud and sand in the wild. These snails can tolerate a larger spectrum of water conditions from P.H at 6.2-7.8. The assassin snails will lie under sediment or leaves and will chase other snails down and eat them.
Scientific Name- Clea helena
Retail these assassin snails go for around $4.99 - $6 per snail. These guys are easy to care for and do much better in a planted tank and look stunning in them just look at the picture above.