Golden julie - Julidochromis ornatus

Scientific name: Julidochromis ornatus

Common name: Golden julie

Family: Cichlidae

Usual size in fish tanks: 8 - 9 cm (3.15 - 3.54 inch)

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Recommended pH range for the species: 7.5 - 8.9

Recommended water hardness (dGH): 12 - 30°N (214.29 - 535.71ppm)

0°C 32°F30°C 86°F

Recommended temperature: 22 - 25 °C (71.6 - 77°F)

The way how these fish reproduce: Spawning

Where the species comes from: Africa

Temperament to its own species: aggressive/territorial

Temperament toward other fish species: aggressive/territorial

Usual place in the tank: Middle levels

Overview

The Golden Julie (Julidochromis ornatus) is a striking African cichlid known for its vibrant golden-yellow coloration and bold black horizontal stripes. Native to Lake Tanganyika, this species is popular among aquarists for its unique appearance and fascinating behavior. However, their territorial and aggressive nature requires careful tank planning.

Origin and Natural Habitat

Golden Julies are native to the rocky shorelines of Lake Tanganyika in Africa. They prefer environments with plenty of caves and crevices, which they use for shelter and breeding.

Appearance and Size

These cichlids are characterized by their golden body adorned with bold, horizontal black stripes. In aquariums, they typically grow to about 8-9 cm (3.15-3.54 inches) in length.

Tank Requirements

• Tank Size: A minimum of 100 liters (26 gallons) is recommended to provide ample space for territories.
• Water Parameters:
• pH: 7.5 - 8.9
• Water Hardness: 12 - 30°N (214 - 535 ppm)
• Temperature: 22 - 25°C (71.6 - 77°F)
• Tank Setup: Use plenty of rocks, caves, and hiding spots to mimic their natural habitat. Ensure stable water conditions, as Golden Julies are sensitive to sudden changes.

Temperament and Tank Mates

Golden Julies are highly territorial and can be aggressive toward both their own species and other fish. They do best in species-specific tanks or with other robust Tanganyikan cichlids that can hold their own. Avoid housing them with small or passive fish.

Feeding and Diet

Golden Julies are omnivorous and thrive on a varied diet:

• High-quality flake or pellet food formulated for cichlids
• Live or frozen foods such as brine shrimp, daphnia, and bloodworms
• Occasional vegetable matter like spirulina or blanched spinach

Sexing

Sexing Julidochromis ornatus can be challenging, as males and females appear quite similar. However, females are typically slightly larger and more robust than males.

Breeding

Breeding Golden Julies is relatively straightforward for experienced aquarists:

• Provide multiple caves and hiding spots, as they prefer to lay eggs in secluded areas.
• Both pairs and small groups can breed successfully. A common setup includes two males with six females, but single pairs also work well.
• Spawning often goes unnoticed due to their secretive nature. If a female hides for several days, it may indicate that she is guarding eggs or fry.
• Feed newly hatched brine shrimp or cyclopeeze once fry appear. Multiple generations can coexist in one tank.
• Fry are sensitive to large water changes, so perform small, regular water changes to maintain stability.

Lifespan

With proper care, Golden Julies can live between 5 to 7 years in captivity.

Conclusion

The Golden Julie (Julidochromis ornatus) is a beautiful and engaging addition to any Tanganyikan cichlid setup. Their vibrant colors and unique behaviors make them a favorite among cichlid enthusiasts. However, due to their territorial nature, they require careful tank planning and suitable tank mates. With the right environment, these fascinating fish can thrive and even breed, providing a rewarding experience for dedicated aquarists.

Picture

Bought by aqua-fish.net from jjphoto.dk.