Bronze Corydora Care Guide
The bronze corydora (Corydoras aeneus) is one of the most popular tropical freshwater fish in the UK. Known for its peaceful nature, armoured body, and constant bottom-dwelling activity, it's a staple in community aquariums.
In this guide, you'll learn everything you need to know about bronze corydora care, including tank size, water conditions, compatibility, breeding, and typical UK prices - plus how to buy or sell them locally.
Quick facts about Bronze Corydoras
Bronze corydoras are small South American catfish found in rivers and floodplains. They are social bottom-dwellers that spend their time scavenging for food and sifting through substrate.
They are hardy, active, and ideal for beginners.
Corydoras aeneus
6-7 cm
South America (Venezuela, Colombia, Trinidad, Amazon Basin)
70-75L (18-20gal)
5-8 years
Peaceful, shoaling
22-26°C
Omnivore (sinking pellets, wafers, frozen, live foods)
6.0-7.5
£2-£4 per fish
How Many Bronze Corydoras Should You Keep?
Bronze corydoras are shoaling fish and should always be kept in groups.
- Minimum group size of 5-6
- Larger groups of 8-10+ are ideal
- They feel safer and display more natural behaviour in groups
Keeping too few can lead to:
- Stress and hiding
- Reduced activity
- Poor overall health
They are much more active and confident when kept in proper numbers.
Ideal Tank Conditions for Bronze Corydoras
Creating the right environment is essential, especially for their sensitive barbels.
- Tank Setup: A soft, sand-based setup is strongly recommended.
- Substrate: Fine sand is best to prevent damage to their barbels.
- Plants & Decor: Include plants, driftwood, and hiding spots.
- Water Conditions: Slightly soft, neutral water is ideal, but they are adaptable.
- Filtration & Flow: Gentle to moderate flow works well.
- Lighting: Moderate lighting is suitable.
Good water quality and clean substrate are especially important.
Compatibility with Other Fish
Bronze corydoras are extremely peaceful and ideal for community aquariums.
- Good Tankmates: tetras, rasboras, gouramis, livebearers, and other peaceful species.
- Avoid: aggressive fish or large predators that may harass or eat them.
They occupy the bottom level of the tank and rarely bother other fish.
Are Bronze Corydoras Easy to Care For?
Bronze corydoras are easy to care for and are excellent for beginners.
They require:
- A clean, well-maintained tank
- Soft substrate to protect their barbels
- A proper group size
- A varied diet with sinking foods
They are hardy and adaptable, making them one of the best starter fish.
Bronze Corydora Price in the UK
In the UK, bronze corydoras typically cost between £2-£4 per fish.
Prices vary depending on:
- Size and condition
- Albino vs standard variety
- Shop vs hobbyist sellers
Buying locally from other aquarists can often provide better value.
Where to Buy Bronze Corydoras in the UK
Bronze corydoras are widely available in UK aquarium shops, but many fishkeepers prefer sourcing them locally.
Sourcing fish locally can:
- Reduce transport stress
- Improve survival rates
- Offer better value
TankMate UK helps connect fishkeepers who want to buy, sell, or rehome fish safely - without shipping.
Can You Sell Bronze Corydoras?
Yes - bronze corydoras are commonly bred and sold by hobbyists.
Selling locally is often the best option, as it:
- Minimises stress for the fish
- Avoids the risks of shipping
- Connects you with responsible fishkeepers
TankMate UK allows you to list fish quickly and find local buyers.
Breeding Bronze Corydoras
Bronze corydoras are relatively easy to breed in home aquariums.
Key Tips:
- Condition adults with high-quality foods
- Perform cool water changes to trigger spawning
- Eggs are laid on glass, plants, or decor
- Eggs hatch in 3-5 days
- Remove adults to prevent egg predation
- They display a characteristic "T-position" during spawning.
Common Problems with Bronze Corydoras
Damaged barbels, often caused by:
- Sharp or rough substrate
- Poor water quality
Lethargy or inactivity, linked to:
- Being kept in too small a group
- Poor tank conditions
Starvation, caused by:
- Not receiving enough sinking food
- Competition from faster fish
Why Bronze Corydoras Are So Popular
- Extremely peaceful and community-friendly
- Active and entertaining bottom-dwellers
- Easy to care for and beginner-friendly
- Help clean up leftover food
- Hardy and adaptable
When kept correctly, bronze corydoras add constant activity and balance to the lower levels of an aquarium.
Frequently Asked Questions
At least 5-6, though larger groups are strongly recommended.
Yes, sand is ideal to protect their barbels.
No, they are very peaceful and community-safe.
At least 70-75 litres, with more space preferred for larger groups.
Looking to Buy or Sell Bronze Corydoras Locally?
TankMate UK connects fishkeepers who want to buy, sell, or rehome fish safely within their local area.
Whether you're stocking your aquarium or passing fish on to a new home, you can:
- Browse fish available near you
- List your own fish in minutes
- Avoid the risks of shipping
Explore local listings with TankMate UK and find the right fish for your aquarium.