Can Cardinal Tetra Live With Nerite Snail?
Maybe, with caveats , cardinal tetras and nerite snails share a narrow pH match and different tank levels, which is a promising start, but nerites need specific conditions to thrive.
Why
- Temperature overlap of 73-80°F works for both species, though nerites do best toward the middle of that range.
- pH overlap is exactly 7.0, which suits nerite snails well as they need calcium-rich water to maintain their shells.
- Nerite snails are completely peaceful and will never bother cardinal tetras.
- Cardinal tetras are too small to interact with nerite snails in any meaningful way.
- Nerite snails will not breed in freshwater, so population control is automatic.
What could go wrong
Nerite snails are sensitive to copper-based medications, and treating cardinal tetras for parasites with copper could kill the snails.
Gear for a shared tank
Sized for the 15 gallon minimum this pairing needs. Affiliate links — we earn a small commission if you buy through them.
AquaClear 30 Power Filter
Oversized filtration is what lets you stock two species together without water quality crashing. Rated for a tank slightly larger than the 15 gallon minimum.
Eheim Jager 150W Thermostat Heater
Holds a steady temperature inside the 73-80°F window both species need.
API Freshwater Master Test Kit
Keep ammonia, nitrite, and nitrate in check. Two-species tanks have more bioload and less margin for error than single-species setups.
Better pairings to consider
Nerite snails do well with most peaceful community fish. Cardinal tetras do well with mystery snails, apple snails, or other invertebrates that tolerate similar water conditions.
Related compatibility questions
Keep reading
Planning a community tank?
Check compatibility for any two freshwater species before you buy. Stop guessing, stop returning fish.
Open the compatibility chart →