Corydoras Julli Trilineatus

The Julii Corydoras (Corydoras julii), also known as the Leopard Cory, is a peaceful and social freshwater catfish native to eastern Brazil. Often confused with the Three-Stripe Cory (Corydoras trilineatus), true Julii Corys can be distinguished by their fine, spotted patterns and shorter mid-body stripe. They are ideal for community aquariums and thrive in groups.

🐟 Species Overview

• Scientific Name: Corydoras julii

• Common Names: Julii Cory, Leopard Cory

• Adult Size: Up to 2 inches (5 cm)

• Lifespan: 5–10 years

• Temperament: Peaceful, social, bottom-dweller

• Origin: Eastern Brazil

🏡 Aquarium Setup

• Tank Size: Minimum 20 gallons for a small group

• Substrate: Soft sand or smooth gravel to protect sensitive barbels

• Decor: Provide hiding spots with driftwood, caves, and plants

• Lighting: Low to moderate; diffused lighting preferred

• Water Flow: Gentle to moderate; ensure good oxygenation

💧 Water Parameters

• Temperature: 72–78°F (22–26°C)

• pH: 6.0–7.5

• Hardness: 2–15 dGH

• Water Changes: Regular weekly changes to maintain water quality

🍽️ Diet & Feeding

Julii Corys are omnivores:

• Primary Diet: High-quality sinking pellets or wafers

• Supplements: Live or frozen foods like bloodworms, brine shrimp, and daphnia

• Feeding Frequency: Once or twice daily; ensure food reaches the bottom

🤝 Tankmates & Compatibility

• Suitable Tankmates: Peaceful species such as tetras, rasboras, guppies, and other small catfish

• Avoid: Aggressive or fin-nipping fish

• Behavior: Non-aggressive; thrives in community settings

🐣 Breeding Tips

Breeding Julii Corys can be achieved with proper care:

• Spawning Trigger: Slight temperature drop after water changes

• Breeding Behavior: Females lay eggs on flat surfaces; males fertilize externally

• Fry Care: Feed infusoria or microworms initially; maintain pristine water conditions

📝 Care Summary

By maintaining optimal water conditions, providing a suitable diet, and ensuring a well-structured environment with ample hiding spots, the Julii Cory can thrive and even breed in home aquariums.