Bronze cory Tank Mates

Short answer: the best bronze cory tank mates are Cherry shrimp, Betta fish, Dwarf gourami, Guppy, Bristlenose pleco, Harlequin rasbora. Cory catfish need 70–81 °F (21–27 °C), pH 6–8 and at least 20 gallons. Keep them in a group of 6 or more.

Corydoras aeneus · rated against 71 species · check your own combination

Bronze cory care at a glance

Adult size3.0 in (7.5 cm)
Minimum tank20 US gallons
Temperature70–81 °F (21–27 °C)
pH6–8
TemperamentPeaceful
Swims inBottom
Group sizeGroups of 6+
Care levelEasy

Sources: Seriously Fish · FishBase. Last reviewed 2026-11-04.

gallon tank

✅ Compatible tank mates (53)

⚠️ Possible with caution (9)

❌ Not recommended (9)

How many cory catfish per tank?

20 gal 29 gal 40 gal 55 gal 75 gal — see what else fits with our stocking calculator.

FAQ

What fish can live with cory catfish?

Good matches include Cherry shrimp, Betta fish, Dwarf gourami, Guppy, Bristlenose pleco, Harlequin rasbora. They share a temperature range with cory catfish (70–81 °F (21–27 °C)), are a similar temperament, and are not big enough to eat each other or nip fins.

What fish should not live with cory catfish?

Avoid Oscar, Pea puffer, German blue ram, White cloud mountain minnow, Paradise fish, Convict cichlid.

What size tank do cory catfish need?

We recommend at least 20 US gallons for a group of 6 cory catfish, more if you add tank mates.

Can cory catfish live alone?

No. Cory catfish are social and should be kept in groups of at least 6.

Note: Compatibility depends on individual temperament, tank size, decor and how fish are introduced. Our verdicts use conservative rules applied to published care data (see methodology). They are guidance, not a guarantee. Quarantine new fish and watch for chasing, torn fins or hiding.