Spotted Hatchetfish tank mates
Gasteropelecus maculatus
3 rated pairings from the Spotted Hatchetfish care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Spotted Hatchetfish needs at least 20 gallons on its own; every companion adds to that.
Excellent matches
2 · Same water, complementary zones, no conflict.
Cardinal Tetra
Paracheirodon axelrodi
15 gal min · 2" adult · Peaceful
Shares similar soft, acidic water requirements and occupies the middle zone, creating no competition with the surface-dwelling hatchetfish.
Rummy Nose Tetra
Hemigrammus rhodostomus
15 gal min · 2" adult · Peaceful
A peaceful, schooling mid-water tetra that thrives in soft, warm, acidic water identical to the hatchetfish's preferred conditions.
Good matches
1 · 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.