Celestial Pearl Danio tank mates
Danio margaritatus
5 rated pairings from the Celestial Pearl Danio care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Celestial Pearl Danio needs at least 10 gallons on its own; every companion adds to that.
Excellent matches
4 · 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; compatible schooling behavior
Otocinclus
Otocinclus vittatus
10 gal min · 1.5" adult · Peaceful
Peaceful bottom-dweller with identical soft-water preferences; helps maintain tank cleanliness without competing for food or space
Chili Rasbora
Boraras brigittae
5 gal min · 0.8" adult · Peaceful
Tiny, peaceful fish with matching water requirements and mid-water swimming zone; excellent nano tank companion
Java Moss
Taxiphyllum barbieri
Essential plant providing shelter, breeding substrate, and natural food sources; creates the subdued, planted environment they prefer
Good matches
1 · Compatible with normal care — watch space and numbers.
Also recommended alongside Celestial Pearl Danio
Species whose own guides list Celestial Pearl Danio as a tank mate.
White Cloud Mountain Minnow
Tanichthys albonubes
10 gal min · 1.5" adult · Peaceful
Hillstream Loach
Sewellia lineolata
20 gal min · 2.5" adult · Peaceful
Forktail Rainbowfish
Pseudomugil furcatus
10 gal min · 2" adult · Peaceful
Pea Puffer
Carinotetraodon travancoricus
10 gal min · 1.5" adult · Aggressive
Stiphodon Goby
Stiphodon ornatus
15 gal min · 2" adult · Peaceful
Arrowhead Plant
Syngonium podophyllum
Asian Stone Catfish
Hara jerdoni
10 gal min · 1.2" adult · Peaceful
Betta Pugnax
Betta pugnax
10 gal min · 3.5" adult · Semi-aggressive
Chocolate Kuhli Loach
Pangio oblonga
20 gal min · 3.5" adult · Peaceful
Eel Loach
Pangio anguillaris
20 gal min · 3.5" adult · Peaceful
Empire Gudgeon
Hypseleotris compressa
20 gal min · 4" adult · Peaceful
Gold Ring Danio
Danio tinwini
10 gal min · 1.2" adult · Peaceful
Indian Glassfish
Parambassis ranga
15 gal min · 3" adult · Peaceful
Orange-Finned Danio
Danio kyathit
10 gal min · 1.5" adult · Peaceful
Pacific Blue Eye
Pseudomugil signifer
10 gal min · 1.5" adult · Peaceful
Pitbull Pleco
Parotocinclus jumbo
20 gal min · 2.2" adult · Peaceful
Strawberry Betta
Betta albimarginata
5 gal min · 1.5" adult · Semi-aggressive
Syngonium Albo
Syngonium podophyllum 'Albo-Variegatum'
Syngonium Milk Confetti
Syngonium podophyllum 'Milk Confetti'
Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.