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Description
[ARRIVED 26-MAR-2026] Corydoras trilineatus Three stripe Corydoras 3-5cmCorydoras trilineatus (False Julii Corydoras) Hardy, patterned cory with classic behaviour for community aquariums Quick Facts Size: ~56 cm Tank size: 50L+ recommended Difficulty: Easy Temperament: Peaceful Best kept: Groups (56+) Plant safe: Yes Is this for you? Good if: You want a hardy, beginner friendly Corydoras You like detailed, patterned fish You have a peaceful community tank Youre happy to keep a proper group Avoid if: You want a fish that
Corydoras trilineatus (False Julii Corydoras)
Hardy, patterned cory with classic behaviour for community aquariums
Quick Facts
- Size: ~5–6 cm
- Tank size: 50L+ recommended
- Difficulty: 🟢 Easy
- Temperament: Peaceful
- Best kept: Groups (5–6+)
- Plant safe: Yes
Is this for you?
✔️ Good if:
- You want a hardy, beginner-friendly Corydoras
- You like detailed, patterned fish
- You have a peaceful community tank
- You’re happy to keep a proper group
❌ Avoid if:
- You want a fish that survives on leftovers
- You plan to keep just one
- You use sharp gravel substrate
- You keep aggressive or highly competitive fish
Why this fish?
Corydoras trilineatus is a popular patterned cory known for its maze-like markings across the body.
It is often mistaken for the rarer Corydoras julii, but offers the same peaceful behaviour and ease of care, making it a great choice for community tanks.
Common mistakes
- Confusing it with Corydoras julii (this is more commonly available)
- Keeping them alone instead of in groups
- Assuming they survive on leftover food
- Using sharp substrate → damages barbels
- Overstocking the bottom of the tank
Care made simple
- Temperature: 22–26°C
- Diet: Sinking pellets, wafers, frozen foods
- Group size: 5–6+ recommended
- Substrate: Soft sand preferred
- Water: Clean and stable
Pair with
- Sinking pellets / bottom feeder food
- Fine sand substrate
- Driftwood and plants
- Peaceful community fish
Most fish sold as “Julii Cory” are actually Corydoras trilineatus. The care is the same — focus on group size, proper feeding, and stable conditions.
FAQ
Is this the same as Julii Corydoras?
Not exactly. Corydoras trilineatus is often sold as “Julii Cory”, but true julii are less common in the hobby.
Are they good for beginners?
Yes. They are hardy and suitable for beginners with a properly set up tank.
Can I keep just one?
No. Corydoras are social fish and should be kept in groups of at least 5–6.
Do they clean the tank?
No. They forage for food but still require proper feeding.
Do they need sand?
Soft sand is preferred to protect their barbels, though smooth substrate can also work.
Shipping Notes
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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