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Bronze Cory
Available now
Bronze Cory Catfish
Peaceful • Hardy • Bottom Cleaner
Bring sparkle and personality to your tank with the Bronze Cory! These social bottom-dwellers love hanging out in groups and help keep your substrate tidy.
Quick Facts:
Size: 2.5–3"
Temperament: Peaceful, schooling
Tank Level: Bottom
Diet: Omnivore (sinking pellets, bloodworms)
Tank Size: 20+ gal (for a group)
Water: 72–78°F, pH 6.0–7.5
Why You'll Love Them: ✔ Great for beginners ✔ Compatible with most peaceful fish ✔ Fun to watch — they even breathe air!
Fun Fact: Bronze corys have armored bodies and love to zip to the surface for a quick gulp of air.
Photo Credit https://creativecommons.org/publicdomain/zero/1.0/deed.en
Species Care
Bronze Cory Catfish Care Guide
Species: Corydoras aeneus Difficulty: Easy Lifespan: 5–10 years Size: 2.5–3 inches
Tank Setup
- Minimum Tank Size: 20 gallons (for a group of 5+)
- Substrate: Soft sand or smooth gravel — avoid sharp edges to protect their barbels
- Decor: Driftwood, plants, hiding spots
- Filter: Gentle flow preferred
- Heater: Yes — tropical temps
Water Parameters
Parameter
Ideal Range
Temperature
72–78°F (22–26°C)
pH
6.0–7.5
Hardness
Low to moderate
Ammonia/Nitrite
0 ppm
Nitrate
<20 ppm
Note: Bronze corys prefer soft, slightly acidic water and do not tolerate salt — no brackish setups.
Feeding
- Diet: Omnivore
- Favorites: Sinking pellets, bloodworms, brine shrimp, algae wafers
- Feeding Tip: Feed after lights out to match their natural behavior
Behavior & Compatibility
- Temperament: Peaceful, social, schooling
- Tank Mates: Tetras, guppies, rasboras, dwarf cichlids, snails
- Avoid: Aggressive or fin-nipping species
- Fun Fact: They breathe air from the surface — totally normal!
Breeding Notes
- Method: Egg layers
- Trigger: Cooler water changes and protein-rich diet
- Setup: Flat surfaces for egg laying, gentle flow, separate fry tank recommended