What size tank does a Bronze Corydoras need?

Bronze Corydoras needs a minimum of 10 gallons, with 20 gallons recommended. They are bottom swimmers. Keep in groups of 6+.

Is Bronze Corydoras good for beginners?

Bronze Corydoras is rated "beginner" difficulty (1/5). Great for beginners.

What fish are compatible with Bronze Corydoras?

Bronze Corydoras is peaceful. Compatible tank mates include other peaceful fish with similar water parameters (pH 6-8, temp 72-79°F).

Bronze Corydoras

Corydoras aeneus

Family: Callichthyidae • Origin: South America

Bronze Corydoras are the hardiest and most widely available cory species. Tolerates a wider range than other corys.

Min Tank

10 gal

Max Size

2.75"

Temperature

72-79°F

6-8

Lifespan

10 years

School Size

Swim Level

bottom

Hardness

5-20 dGH

peacefulbeginneromnivoreschooling

Is Bronze Corydoras Right for Your Tank?

Bronze Corydoras is an excellent choice for beginners — rated "beginner" difficulty (1/5). They're hardy, forgiving of minor water parameter fluctuations, and generally easy to feed. At just 10 gallons minimum, they work well in nano tanks and smaller setups.

With a peaceful temperament, Bronze Corydoras makes a great community fish. They coexist well with other non-aggressive species of similar size. This is a schooling species — keep at least 6 together, or they may become stressed and display abnormal behavior. Expected lifespan: 10 years with proper care.

Common Mistakes with Bronze Corydoras

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Keeping fewer than 6 together

Bronze Corydoras is a schooling species — they need a group of at least 6 to feel secure. Lone or paired individuals become stressed, hide constantly, and may develop health issues or aggression.

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Putting them in a tank under 10 gallons

While 10 gallons is the minimum, nano tanks require more frequent water changes and leave less room for error. A slightly larger tank (20 gal) is much more forgiving.