Green Fire Tetra tank mates
Aphyocharax rathbuni
5 rated pairings from the Green Fire Tetra care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Green Fire Tetra needs at least 20 gallons on its own; every companion adds to that.
Excellent matches
3 · Same water, complementary zones, no conflict.
Neon Tetra
Paracheirodon innesi
10 gal min · 1.5" adult · Peaceful
Similar size and peaceful temperament; excellent schooling companions
Cardinal Tetra
Paracheirodon axelrodi
15 gal min · 2" adult · Peaceful
Compatible water parameters and peaceful behavior; similar ecological niche
Rummy Nose Tetra
Hemigrammus rhodostomus
15 gal min · 2" adult · Peaceful
Peaceful schooling fish with similar care requirements
Good matches
2 · Compatible with normal care — watch space and numbers.
Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.