Arulius Barb tank mates
Dawkinsia arulius
6 rated pairings from the Arulius Barb care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Arulius Barb needs at least 55 gallons on its own; every companion adds to that.
Excellent matches
1 · Same water, complementary zones, no conflict.Good matches
5 · Compatible with normal care — watch space and numbers.Denison Barb
Sahyadria denisonii
55 gal min · 6" adult · Peaceful
Shares similar water parameters and active swimming behavior
Siamese Algae Eater
Crossocheilus oblongus
30 gal min · 6" adult · Semi-aggressive
Bottom-oriented and peaceful; helps with algae control without conflict
Scissortail Rasbora
Rasbora trilineata
30 gal min · 5" adult · Peaceful
Fast-moving schooler that can keep pace and is not easily bullied
Yoyo Loach
Botia almorhae
20 gal min · 2.5" adult · Semi-aggressive
Occupies the bottom zone and shares similar water parameter preferences
Bronze Corydoras
Corydoras aeneus
20 gal min · 2.75" adult · Peaceful
Bottom dweller that stays out of the barbs' territory and is robust enough to coexist
Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.