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AI illustration of Julidochromis marlieri, complete left-facing side view

Julidochromis marlieri

Julidochromis marlieri

The checkerboard Julie, which follows rock surfaces even when they slope.

Often called the checkerboard Julie. It swims close to rock surfaces and follows them even when they slope. Adult females are usually larger than males.

Adult length
Up to 15 cm (standard length, without the tail fin)
Water temperature
23–27 °C
Lifespan
5–8 years
pH
7.5–9.5
Hardness
10–25 dGH
Native range
Africa: Endemic to the northwestern part of Lake Tanganyika.
Natural habitat
Inhabits rocky lake habitats, often in deeper water, staying close to rocks, crevices and caves.

Avoid breeding it alongside other Julidochromis species or locality forms. Major water changes or environmental changes may disrupt pair bonds.

View comparison →

Social behaviour and territory

Usually keep one compatible pair. Adults are markedly aggressive toward their own species; rock crevices and visual barriers are important.

Diet and feeding

Combine live and frozen foods with quality dry food and include plant matter.

Sources

www.fishbase.se ↗ 2026-10-25

www.seriouslyfish.com ↗ 2026-10-23

PeekFish · Ornamental fish

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