Goldie River Rainbowfish tank mates
Melanotaenia goldiei
6 rated pairings from the Goldie River Rainbowfish care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Goldie River Rainbowfish needs at least 55 gallons on its own; every companion adds to that.
Excellent matches
3 · Same water, complementary zones, no conflict.Boesemani Rainbowfish
Melanotaenia boesemani
30 gal min · 4.5" adult · Peaceful
Fellow rainbowfish with similar water requirements and peaceful temperament
Turquoise Rainbowfish
Melanotaenia lacustris
30 gal min · 4.5" adult · Peaceful
Compatible size and temperament, thrives in same water parameters
Australian Rainbowfish
Melanotaenia fluviatilis
30 gal min · 4" adult · Peaceful
Peaceful schooling species with overlapping habitat preferences
Good matches
3 · Compatible with normal care — watch space and numbers.
Bristlenose Pleco
Ancistrus sp.
20 gal min · 5" adult · Peaceful
Peaceful bottom dweller that helps with algae control without competing for space
Honey Gourami
Trichogaster chuna
10 gal min · 2" adult · Peaceful
Peaceful and small enough not to compete aggressively with rainbowfish
Harlequin Rasbora
Trigonostigma heteromorpha
10 gal min · 2" adult · Peaceful
Peaceful schooling fish that occupies similar water column without conflict
Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.