Bladder Snail tank mates
Physella acuta
6 rated pairings from the Bladder Snail care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Bladder Snail needs at least 5 gallons on its own; every companion adds to that.
Excellent matches
3 · Same water, complementary zones, no conflict.
Otocinclus
Otocinclus vittatus
10 gal min · 1.5" adult · Peaceful
Both are peaceful algae grazers with identical water parameter requirements; excellent cleanup crew combination
Ramshorn Snail
Planorbarius corneus
5 gal min · 0.75" adult · Peaceful
Compatible snail species with similar peaceful temperament and detritivore diet; can coexist without competition
Neon Tetra
Paracheirodon innesi
10 gal min · 1.5" adult · Peaceful
Small peaceful fish with compatible water parameters; snails and tetras occupy different ecological niches in the tank
Good matches
1 · Compatible with normal care — watch space and numbers.Use caution
2 · Works in the right setup; read the note before combining.
Assassin Snail
Clea helena
5 gal min · 1" adult · Peaceful
Assassin Snails actively hunt and consume Bladder Snails; useful for population control but will eliminate them entirely if not monitored
Pea Puffer
Carinotetraodon travancoricus
10 gal min · 1.5" adult · Aggressive
Pea Puffers feed on small snails including Bladder Snails; can help control populations but may be too aggressive for peaceful community tanks
Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.