Can Cardinal Tetra Live With Mystery Snail?
Maybe, with caveats , cardinal tetras and mystery snails occupy different tank levels and have overlapping water parameters, which suggests peaceful coexistence, but the narrow pH match is worth noting.
Why
- Temperature overlap of 73-81°F gives both species comfortable range, with mystery snails preferring the warmer end around 76-78°F.
- pH overlap is exactly 7.0, which is fine for mystery snails but sits at the upper edge of cardinal tetra preference.
- Mystery snails are entirely peaceful and will not bother cardinal tetras under any circumstance.
- Cardinal tetras are too small to bother mystery snails, even if they wanted to.
- Both species do well in heavily planted tanks, which benefits water quality and provides cover for tetras.
What could go wrong
Mystery snails can climb out of tanks without a secured lid, and they are sensitive to water quality swings that cardinal tetras also dislike.
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 73-81°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
Mystery snails do well with other peaceful community fish like guppies, rasboras, or corydoras. Cardinal tetras do well with non-aggressive tankmates in general.
Related compatibility questions
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