Can a Corydoras Catfish Live With a Harlequin Rasbora?
Yes — a corydoras catfish and harlequin rasbora are generally compatible.
Yes — generally compatible
Corydoras Catfish2.5" · 20g min · 72–78°F · Peaceful
Harlequin Rasbora2.0" · 10g min · 73–82°F · Peaceful
Temperatures line up — both thrive around 73–78°F.
pH preferences overlap (6.5–7.5) — easy to keep both comfortable.
Both are shoaling species — keep each in its own group of 6+ for calm, confident fish.
Plan on at least 20 gallons for the pair (the larger of their two minimums).
Plan the full tank with the stocking calculator →
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FAQ
Can a corydoras catfish and harlequin rasbora live together?
Yes — a corydoras catfish and harlequin rasbora are generally compatible. Minimum tank for the pair is about 20 gallons.