Skip to content
Julidochromis, photographed on a transparent background

FreshwaterComing soon220 coinsRare5,000 in the worldSee how many are left

Julidochromis

Julidochromis marlieri

A long, eel-like rock dweller that swims sideways and upside down in caves.

The Julidochromis (Julidochromis marlieri) is a tropical freshwater fish of the family Cichlidae. It lives on the bottom. Adults grow to about 11 cm; the largest on record measured 13 cm (total length). In the aquarium it needs a tank at least 120 cm long and water at 23–27 °C.

Size
11 cm
Smallest tank
120 cm
Temperature
23–27 °C
Care
Moderate

In the aquarium

Temperature23–27 °C
pH7.8–9.0
Hardness10–25 °dGH
Temperament
Semi-aggressive
Diet
Omnivore
Activity
Calm
Water layer
Bottom
Group
Lives on its own
Plants
Plant safe
Drawn to scale in a 120 cm tank

These values are compiled from real species data, and the LumaReef simulation is built to keep them true to life.

Which tank it fits

  • Nano60 cm · 65 litresToo small
  • Standard90 cm · 180 litresToo small
  • Wide120 cm · 300 litres27 of them
  • Living room180 cm · 650 litres59 of them
  • Showcase250 cm · 1,200 litres109 of them
  • Gallery300 cm · 1,440 litres130 of them

Who it lives with

In the wild

Water type
Freshwater
Climate zone
Tropical
Habitat
On the bottom
Largest on record
13 cmtotal length
Aquarium trade
Traded commercially

Conservation status

Classification

  1. OrderCichliformes
  2. FamilyCichlidae
  3. GenusJulidochromis
  4. SpeciesJulidochromis marlieri
  5. Described byPoll, 1956

In other languages

English
Marlier's Julie
Russian
Хромис Марлиера

Quick answers

Julidochromis size: how big does it get?
Adults reach about 11 cm. The largest on record measured 13 cm (total length). Record sizes among the 5 Julidochromis species on LumaReef: 7 cm (Masked Julie) to 13 cm (Striped Julie).
Julidochromis tank size: what is the minimum?
A tank at least 120 cm long. In LumaReef that is the Wide tank or larger.
Julidochromis water parameters: what does it need?
Temperature 23–27 °C, pH 7.8–9.0, hardness 10–25 °dGH. Close to what most Julidochromis on LumaReef need (23–27 °C).
Julidochromis tank mates: what can it live with?
It gets along with 61 of the 99 freshwater species in the catalogue, such as Sailfin molly, Giant danio, and Boesemani rainbowfish.
Julidochromis: alone or in a group?
It can be kept on its own.
Julidochromis and plants: is it plant safe?
Yes, it leaves plants alone.

All Cichlidae speciesAll species A–Z

Sources

Julidochromis: compiled from these references.