Can Gold Barb and Harlequin Rasbora live together?

Gold Barb and Harlequin Rasbora are possible with care. The comparison on this page runs the same compatibility engine as the tank builder, checking temperature and pH overlap, predation by size, temperament, and known hard-pair conflicts.

Species Comparison

Gold Barb vs Harlequin Rasbora

Gold Barb

Barbodes semifasciolatus

Harlequin Rasbora

Trigonostigma heteromorpha

Verdict:Possible with care

Side-by-side specs

Barbs

Family

Rasboras

3″

Adult size

2″

20gal

Min tank

15gal

64–75°F

Temperature

72–81°F

6–8

6–7.5

peaceful

Temperament

peaceful

Schooling

mid

Water level

mid

Compatibility notes

warnGold Barb and Harlequin Rasbora only narrowly overlap in temperature — keep within 72–75°F.

Try both in the builder →Compare different species