AquaStocker

Can a Cardinal Tetra Live With a Bristlenose Pleco?

Yes — a cardinal tetra and bristlenose pleco are generally compatible.

Updated June 2026
By the AquaStocker team · How we source our data
Yes — generally compatible
Cardinal TetraCardinal Tetra
2.0" · 20g min · 73–81°F · Peaceful
+
Bristlenose PlecoBristlenose Pleco
5.0" · 25g min · 73–81°F · Peaceful
Temperatures line up — both thrive around 73–81°F.
pH preferences overlap (6.5–7) — easy to keep both comfortable.
Plan on at least 25 gallons for the pair (the larger of their two minimums).

Plan the full tank with the stocking calculator →

Gear for a community tank

As an Amazon Associate we earn from qualifying purchases.

Aquarium water test kitwatch your parametersAquarium filtermore filtration = headroomAquarium heaterstable temperature25 gallon aquariumroom for both

FAQ

Can a cardinal tetra and bristlenose pleco live together?
Yes — a cardinal tetra and bristlenose pleco are generally compatible. Minimum tank for the pair is about 25 gallons.

Related

Can a Betta Live With a Neon Tetra?Can a Betta Live With a Guppy?Can a Betta Live With a Goldfish (Fancy)?Can a Betta Live With a Angelfish?Can a Betta Live With a Molly?Can a Betta Live With a Platy?