Paradise Fish tank mates
Macropodus opercularis
4 rated pairings from the Paradise Fish care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Paradise Fish needs at least 20 gallons on its own; every companion adds to that.
Good matches
3 · Compatible with normal care — watch space and numbers.
Otocinclus
Otocinclus vittatus
10 gal min · 1.5" adult · Peaceful
Bottom-dweller that avoids conflict; helps with algae control without competing for space
Bristlenose Pleco
Ancistrus sp.
20 gal min · 5" adult · Peaceful
Peaceful bottom-feeder that occupies different water zones and is too armored to be bullied
Ramshorn Snail
Planorbarius corneus
5 gal min · 0.75" adult · Peaceful
Small and mobile enough to avoid aggression; helps control algae without direct competition
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.