Black Devil Snail tank mates
Faunus ater
6 rated pairings from the Black Devil Snail care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Black Devil Snail needs at least 20 gallons on its own; every companion adds to that.
Good matches
5 · Compatible with normal care — watch space and numbers.
Neon Tetra
Paracheirodon innesi
10 gal min · 1.5" adult · Peaceful
Small fish that occupy mid-water column; snail remains on bottom and poses no threat
Bristlenose Pleco
Ancistrus sp.
20 gal min · 5" adult · Peaceful
Both are bottom-dwellers but occupy different niches; minimal direct competition
Corydoras Duplicareus
Corydoras duplicareus
15 gal min · 2.2" adult · Peaceful
Peaceful catfish that shares bottom habitat without direct conflict
Java Fern
Microsorum pteropus
Plant that provides shelter and grazing surfaces; snail will not consume it
Marimo Moss Ball
Aegagropila linnaei
Provides grazing surface and shelter without being consumed
Use caution
1 · Works in the right setup; read the note before combining.
Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.