Green Neon Tetra tank mates
Paracheirodon simulans
5 rated pairings from the Green Neon Tetra care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Green Neon Tetra needs at least 10 gallons on its own; every companion adds to that.
Excellent matches
3 · Same water, complementary zones, no conflict.
Cardinal Tetra
Paracheirodon axelrodi
15 gal min · 2" adult · Peaceful
Nearly identical water requirements and peaceful temperament; both thrive in blackwater biotopes
Rummy Nose Tetra
Hemigrammus rhodostomus
15 gal min · 2" adult · Peaceful
Compatible water parameters and similar size; peaceful schooling behavior complements green neons
Dwarf Hairgrass
Eleocharis parvula
Low-light plant that thrives in acidic water; provides cover and spawning substrate
Good matches
1 · Compatible with normal care — watch space and numbers.
Use caution
1 · Works in the right setup; read the note before combining.
Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.