Can Borneo Sucker and Harlequin Rasbora live together?

Borneo Sucker 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

Borneo Sucker vs Harlequin Rasbora

Borneo Sucker

Gastromyzon stellatus

Harlequin Rasbora

Trigonostigma heteromorpha

Verdict:Possible with care

Side-by-side specs

Loaches

Family

Rasboras

3″

Adult size

2″

30gal

Min tank

15gal

68–75°F

Temperature

72–81°F

6.8–7.8

6–7.5

peaceful

Temperament

peaceful

Schooling

bottom

Water level

mid

Compatibility notes

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

Try both in the builder →Compare different species