L191 Royal Farlowella tank mates
Sturisoma aureum
5 rated pairings from the L191 Royal Farlowella care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. L191 Royal Farlowella needs at least 40 gallons on its own; every companion adds to that.
Excellent matches
3 · Same water, complementary zones, no conflict.
Neon Tetra
Paracheirodon innesi
10 gal min · 1.5" adult · Peaceful
Small, peaceful schooling fish that occupy different water zones
Otocinclus
Otocinclus vittatus
10 gal min · 1.5" adult · Peaceful
Similar peaceful algae-eating habits and compatible water requirements
Harlequin Rasbora
Trigonostigma heteromorpha
10 gal min · 2" adult · Peaceful
Peaceful schooling fish that occupy middle water column
Good matches
2 · Compatible with normal care — watch space and numbers.
Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.