Species Profile
Assassin Snail
Clea helena
Also known as: Bumblebee Snail
Snailsaggressive
Adult size
1″
Minimum tank
5 gal
Temperature
70–80°F
pH
7–8
Schooling
Solitary OK
Water level
bottom
Diet
Other snails, frozen bloodworms, sinking carnivore pellets
Notes
Specifically hunts other snails — best natural pest-snail control. Will also kill mystery and nerite snails over time. Won't harm fish or shrimp.
Photo: RSX / Wikimedia Commons · Source · CC-BY-SA-3.0