Filament Barb tank mates
Dawkinsia filamentosa
6 rated pairings from the Filament Barb care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Filament Barb needs at least 30 gallons on its own; every companion adds to that.
Excellent matches
3 · Same water, complementary zones, no conflict.
Emerald Dwarf Rasbora
Danio erythromicron
10 gal min · 1" adult · Peaceful
Similar size, peaceful temperament, and identical water parameter requirements make them ideal companions
Neon Tetra
Paracheirodon innesi
10 gal min · 1.5" adult · Peaceful
Small, peaceful schooling fish that occupy similar water column zones without competing or conflicting
Java Fern
Microsorum pteropus
Hardy plant that provides cover and spawning substrate without being uprooted by barb activity
Good matches
3 · Compatible with normal care — watch space and numbers.Sterbai Corydoras
Corydoras sterbai
20 gal min · 2.5" adult · Peaceful
Bottom-dwelling scavengers that don't compete for space or food; help maintain tank cleanliness
Otocinclus
Otocinclus vittatus
10 gal min · 1.5" adult · Peaceful
Peaceful algae eaters that occupy different ecological niches and thrive in similar soft, slightly acidic water
Amano Shrimp
Caridina multidentata
10 gal min · 2" adult · Peaceful
Peaceful invertebrates that help control algae; barbs generally ignore them due to their size and speed
Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.