Celebes Rainbowfish tank mates
Marosatherina ladigesi
5 rated pairings from the Celebes Rainbowfish care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Celebes Rainbowfish needs at least 20 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
Otocinclus
Otocinclus vittatus
10 gal min · 1.5" adult · Peaceful
Peaceful algae eaters that occupy the bottom zone and thrive in the same moderately hard, neutral to slightly alkaline water
Anubias Barteri
Anubias barteri
Hardy plant that provides shelter and security for rainbowfish without being uprooted by their active swimming
Good matches
2 · Compatible with normal care — watch space and numbers.Rummy Nose Rasbora
Sawbwa resplendens
10 gal min · 1" adult · Peaceful
Compatible schooling fish with similar size and peaceful nature, though prefer slightly softer water
Red Cherry Shrimp
Neocaridina davidi
5 gal min · 1.2" adult · Peaceful
Small shrimp that add biological interest; may occasionally be nipped but generally safe in planted tanks
Also recommended alongside Celebes Rainbowfish
Species whose own guides list Celebes Rainbowfish as a tank mate.
Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.