AquaStocker

Can a Guppy Live With a Corydoras Catfish?

Yes — a guppy and corydoras catfish are generally compatible.

Updated June 2026
By the AquaStocker team · How we source our data
Yes — generally compatible
GuppyGuppy
2.0" · 10g min · 72–82°F · Peaceful
+
Corydoras CatfishCorydoras Catfish
2.5" · 20g min · 72–78°F · Peaceful
Temperatures line up — both thrive around 72–78°F.
pH preferences overlap (7–7.8) — 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).

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Aquarium water test kitwatch your parametersAquarium filtermore filtration = headroomAquarium heaterstable temperature20 gallon aquariumroom for both

FAQ

Can a guppy and corydoras catfish live together?
Yes — a guppy and corydoras catfish are generally compatible. Minimum tank for the pair is about 20 gallons.

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