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Convict Julie
Julidochromis regani
📍 Lake Tanganyika, Africa
Convict Julies are small, elongated cichlids from Lake Tanganyika known for their striking vertical black and white striped pattern. These peaceful bottom-dwellers are excellent for planted tanks and community setups, making them popular among aquarists seeking unique African cichlids. They are relatively hardy and can adapt well to various water conditions.
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Care Guide
Diet
Convict Julies are omnivorous bottom feeders that consume small invertebrates, algae, and plant matter. Feed high-quality sinking pellets, frozen foods like bloodworms and brine shrimp, and supplement with vegetable matter such as blanched spinach. Feed small portions once or twice daily, adjusting based on tank bioload.
Behavior
Convict Julies are peaceful, nocturnal bottom-dwellers that spend most of their time foraging along the substrate and exploring rocky crevices. They are relatively inactive during the day but become more active at dusk and night. These fish are generally non-aggressive and can coexist peacefully with other community fish.
Breeding
Convict Julies are substrate spawners that breed readily in captivity when provided with caves or crevices. Breeding pairs are monogamous and will aggressively defend their spawning site and fry. Provide plenty of hiding spots and maintain stable water conditions to encourage breeding behavior.
Tank Mates
Small, peaceful fish that occupy different water zones
Peaceful algae eater that shares bottom-dwelling habitat
Compatible bottom feeder with similar peaceful temperament
Small dwarf cichlid with similar care requirements and peaceful nature
Peaceful schooling fish that won't compete for bottom space
Common Diseases
Ich (Ichthyophthirius multifiliis)
White spots on body and fins, rapid breathing, lethargy, rubbing against objects
Increase temperature to 28-30°C (82-86°F), perform water changes, use ich medication or salt treatment as directed
Fin Rot
Frayed or deteriorating fins, discoloration at fin edges, lethargy
Improve water quality with frequent water changes, remove sharp decorations, use antibacterial medication if severe
Bloat (Malawi Bloat)
Swollen abdomen, loss of appetite, difficulty swimming, pale coloration
Perform large water changes, feed high-quality foods, reduce feeding frequency, use antibiotics if bacterial infection suspected
Parasitic Infections
Excessive scratching, visible parasites, weight loss, cloudy eyes
Quarantine affected fish, use antiparasitic medication, maintain excellent water quality and perform frequent water changes
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Quick Facts
- diet
- Omnivore - small invertebrates, algae, and plant matter
- lifespan
- 8-10 years
- max size
- 9 cm (3.5 in)
- tank size
- 20 gallons minimum
- temperament
- peaceful
Water it likes
- ph
- 7.5-8.5
- ammonia
- 0 ppm
- nitrate
- <20 ppm
- hardness
- 10-20 dGH
- temperature
- 75–81°F (24–27°C)