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 and eats other snails, making it the best natural control for pest snail outbreaks. Will also slowly clear mystery and nerite snails over time, plan accordingly. Won't harm fish, shrimp, or plants.
Compatible Tankmates
Best tank mates for Assassin Snail
Every species below passes the compatibility engine when paired with Assassin Snailin a suitably sized tank. Verdicts come from the same rules the builder uses — click a card to see that species' own care profile and its tank mates in turn.
Neon Tetra
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.
Cardinal Tetra
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.
Rummynose Tetra
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.
Harlequin Rasbora
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.
Zebra Danio
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.
Fancy Guppy
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.
Endler's Livebearer
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.
Honey Gourami
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.
Panda Corydoras
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.
Otocinclus
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.
Cherry Barb
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.
Lemon Tetra
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.
Photo: RSX / Wikimedia Commons · Source · CC-BY-SA-3.0