A small, striking rock-dwelling cichlid endemic to Lake Tanganyika. They feature a bright yellow body adorned with dark, distinct horizontal stripes. They are crevice spawners that form strong monogamous pairs. While they mind their own business regarding mid-water schooling fish, they are fiercely territorial over their rock piles, especially towards other Julidochromis or similar rock-dwellers.
Golden Julie At a Glance
Golden Julie Tank Requirements
Will Golden Julie fit in your tank?
Care guides tell you what Golden Julie needs, the next question is whether your tank can safely provide it. Test Golden Julie against your tank size, maintenance needs, and the fish you already keep before you buy.
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Golden Julie Water Parameters
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Golden Julie Temperament & Compatibility
Golden Julie Varieties
Each variety inherits the species defaults above. Only differences are highlighted.
Standard
The standard form. It is virtually impossible to sex them visually until they pair off. Once a pair is formed, they become highly intolerant of any other Julies in the tank, making keeping more than a pair in standard-sized aquariums impossible without fatalities.
Differs in 1 trait from base species
Also known as: Unsexed, Wild Type
Golden Julie Care Guide Summary
The Golden Julie, scientifically known as Julidochromis ornatus, belongs to the Cichlids - African family group. Adults reach a maximum size of approximately 8.5 cm and have a fusiform body shape with a slow growth rate. Classified as semi-aggressive, this species primarily occupies the bottom and mid-level zones of the aquarium and produces a high level of biological waste.
To thrive, the Golden Julie requires a freshwater only aquarium with a minimum volume of 75 litres and a tank length of at least 60 cm. Water temperature should be maintained between 23°C and 27°C, with a pH range of 8–9 and a general hardness of 10–25 dGH. A moderate water flow is preferred.
The Golden Julie is a rewarding species to keep, provided its core environmental needs are met. The Golden Julie is typically available in one standard form.
Golden Julie Habitat Setup
When setting up an aquarium for the Golden Julie, a moderate water flow best suits their natural preferences. Because this species occupies the bottom and mid-level zones, the aquarium layout should prioritise open swimming space in the centre of the tank for free movement and sufficient floor space with hiding spots among rocks, wood, or dense planting. Useful additions include a sand substrate to accommodate their sifting behaviour.
Golden Julie Compatibility Notes
Classified as semi-aggressive, the Golden Julie is adaptable and can be kept singly or in a small group, offering flexibility when planning a community tank. When choosing tankmates, conspecific aggression can be intense, especially in smaller tanks, territorial behaviour may cause issues if hiding spots or floor space are limited, and boisterous or fast-moving tankmates may cause this species undue stress. Selecting tankmates that favour different water layers from the bottom and mid-level zones can help reduce competition and territorial overlap.
Golden Julie Recommended Tank Sizes
Standard aquarium sizes that meet the minimum volume and length requirements for Golden Julie.
20 Gallon High
20 Gallon Long
29 Gallon Standard
30 Gallon Breeder
36 Gallon Bowfront
40 Gallon Breeder
Show 17 more tank sizes
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Frequently Asked Questions About Golden Julie
How big does Golden Julie get?
Golden Julie (Julidochromis ornatus) typically reaches a maximum adult size of approximately 8.5 cm. They have a fusiform body shape and a slow growth rate.
What tank size does Golden Julie need?
A minimum aquarium volume of 75 litres and a tank length of at least 60 cm are recommended for Golden Julie. This ensures enough swimming space and helps maintain stable water conditions.
What water parameters does Golden Julie need?
Golden Julie thrives in freshwater only conditions with a temperature range of 23–27°C, a pH between 8 and 9, and a general hardness of 10–25 dGH. A moderate water flow is preferred.
Is Golden Julie peaceful or aggressive?
Golden Julie is classified as semi-aggressive with an aggression score of 6 out of 10. They can work in community setups but may clash with certain tankmates.
Can Golden Julie live alone?
Yes, Golden Julie can be kept singly or in a group. They are flexible and adapt well to both setups.
Does Golden Julie have any special tank requirements?
Yes. Golden Julie benefits from sand (sifters) in the aquarium. These features help replicate their natural habitat and promote overall health and well-being.
Plants That Suit Golden Julie
These plants pair well with Golden Julie based on shared water preferences, layout fit, and how likely they are to hold up in the same aquarium.
African Onion Plant
Crinum calamistratum
Afzel's Anubias
Anubias afzelii
Anacharis
Egeria densa
Anubias Barteri
Anubias barteri
Balansae
Cryptocoryne crispatula
Broadleaf Crinum
Crinum natans
Fish Similar to Golden Julie
Regan's Julie
Julidochromis regani
A slender, rock-dwelling cichlid endemic to the shallow, rocky shorelines of Lake Tanganyika. Known for their distinct horizontal stripes and torpedo-like bodies, they are highly territorial over rock crevices. They form strong, monogamous pair bonds but are notoriously aggressive toward conspecifics (other Julies) and benthic competitors.
Marlier's Julie
Julidochromis marlieri
A strikingly patterned cichlid endemic to the rocky shores of Lake Tanganyika in Africa. They feature a torpedo-shaped body covered in a grid-like pattern of black and white/yellow spots. They are highly territorial cave-spawners that form strong, monogamous pairs. They strictly require hard, alkaline water and an aquarium decorated with extensive rockwork to form secure caves.
Dickfeld's Julie
Julidochromis dickfeldi
An elongated, distinctively patterned cichlid endemic to the rocky shores of Lake Tanganyika. Dickfeld's Julie is known for its beautiful blue/purple iridescence along its fins and horizontal stripes. They are highly rock-dwelling and fiercely defend their chosen caves. While relatively peaceful toward unrelated species that occupy different water layers, they are highly aggressive toward conspecifics once a pair is formed.
Masked Julie (Julidochromis)
Julidochromis transcriptus
The Masked Julie is the smallest species in the Julidochromis genus, endemic to the rocky shorelines of Lake Tanganyika. They are torpedo-shaped, crevice-dwelling cichlids with striking black and white checkerboard patterns. While generally peaceful toward other species that occupy different water columns, they are highly territorial and violently aggressive toward their own kind once a monogamous breeding pair is established.
Lemon Cichlid (Leleupi)
Neolamprologus leleupi
A striking, torpedo-shaped cichlid endemic to the rocky shores of Lake Tanganyika. Famous for its intense yellow or orange coloration. They are highly territorial cave-dwellers that require hard, alkaline water. Due to their aggression toward their own kind, they are best kept as a solitary specimen or a confirmed breeding pair.
Ocellatus Gold
Lamprologus ocellatus
The Lamprologus ocellatus 'Gold' is a popular and highly charismatic shell-dwelling cichlid endemic to Lake Tanganyika. Despite their tiny size, they are notoriously fierce and will aggressively defend their territory (usually an escargot shell) against much larger fish and even the aquarist's hand. They require hard, alkaline water, fine sand for digging, and an abundance of empty shells.