Species profile
Assassin Snail
Clea helenaAssassin Snail (Clea helena) is a community species for a cycled 5+ gallon freshwater aquarium. Plan for about 1 inches as an adult, 70-78°F water, pH 6.8-8, and beginner-friendly care. Match tankmates by water range, adult size, activity level, and feeding needs.
Community leaningBeginner-friendly care
5 galMinimum tank
1 inAdult size
1Schooling minimum
70-78°FTemperature
Water Range
- pH
- 6.8-8
- GH
- 6-18 dGH
- KH
- 3-12 dKH
Behavior
- Temperament
- Peaceful
- Fin nipping
- 0/5
- Territory
- 0/5
Diet and Care
- Diet
- carnivore/molluscivore
- Diet difficulty
- 2/5
- Care difficulty
- 2/5
Planning Notes
Invertebrate; avoid copper exposure and aggressive or predatory tankmates.
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These matches are starting points with overlapping water ranges and lower behavior risk. Always check the full stocking plan, tank size, and group counts before buying.
Run Assassin Snail through the checker with your tank size, cycle status, water, group count, and tankmates before buying.
Check my tankCompare this speciesPut Assassin Snail beside another profile to compare water range, size, diet, schooling needs, and behavior.
Open comparisonWill plants work?Match Assassin Snail against aquarium plants for nibbling, uprooting, cover, flow, and water-range flags.
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