Tinfoil Barb tank mates
Barbonymus schwanenfeldii
5 rated pairings from the Tinfoil Barb care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Tinfoil Barb needs at least 75 gallons on its own; every companion adds to that.
Excellent matches
2 · Same water, complementary zones, no conflict.Silver Dollar
Metynnis argenteus
55 gal min · 6" adult · Peaceful
Similar size, peaceful temperament, and mid-water swimming habits make them ideal companions
Pacu
Colossoma macropomum
500 gal min · 42" adult · Semi-aggressive
Large, peaceful schooling fish with similar size and water requirements; excellent long-term companion
Good matches
3 · Compatible with normal care — watch space and numbers.Denison Barb
Sahyadria denisonii
55 gal min · 6" adult · Peaceful
Comparable size and activity level; both are large, active barbs that thrive in similar conditions

Bristlenose Pleco
Ancistrus sp.
20 gal min · 5" adult · Peaceful
Large enough to avoid predation and occupies bottom zone; helps with algae control
Severum
Heros severus
55 gal min · 8" adult · Semi-aggressive
Peaceful cichlid of adequate size; prefers similar warm water temperatures
Also recommended alongside Tinfoil Barb
Species whose own guides list Tinfoil Barb as a tank mate.
Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.