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Demasoni cichlid, photographed on a transparent background

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Demasoni cichlid

Pseudotropheus demasoni

A tiny warrior that attacks fish many times its own size and weight.

The Demasoni cichlid (Pseudotropheus demasoni) is a tropical freshwater fish of the family Cichlidae. It lives on the bottom. Adults grow to about 7.5 cm. The IUCN Red List rates it Vulnerable. In the aquarium it needs a tank at least 120 cm long and water at 23–28 °C.

Size
7.5 cm
Smallest tank
120 cm
Temperature
23–28 °C
Care
Demanding

In the aquarium

Temperature23–28 °C
pH7.6–8.8
Hardness10–25 °dGH
Temperament
Aggressive
Diet
Herbivore
Activity
Busy
Water layer
Mid water
Group
Happiest in a group of 12 or more
Plants
Eats plants
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 litres33 of them
  • Living room180 cm · 650 litres72 of them
  • Showcase250 cm · 1,200 litres133 of them
  • Gallery300 cm · 1,440 litres160 of them

Who it lives with

Gets along25 species
Caution4 species

Narrow shared temperature range

Not together70 species

In the wild

Water type
Freshwater
Climate zone
Tropical
Habitat
On the bottom

Conservation status

Classification

  1. OrderCichliformes
  2. FamilyCichlidae
  3. GenusPseudotropheus
  4. SpeciesPseudotropheus demasoni
  5. Described byKonings, 1994

In other languages

English
Demason's Cichlid
German
Demasons Maulbrüter
Spanish
Cíclido de Demason
Russian
Псевдотрофеус Демасона

Quick answers

Demasoni cichlid size: how big does it get?
Adults reach about 7.5 cm. The smallest of the 5 Pseudotropheus species on LumaReef (Goldbreast Zebra Cichlid is the largest, 12.9 cm).
Demasoni cichlid tank size: what is the minimum?
A tank at least 120 cm long. In LumaReef that is the Wide tank or larger.
Demasoni cichlid water parameters: what does it need?
Temperature 23–28 °C, pH 7.6–8.8, hardness 10–25 °dGH. Close to what most Pseudotropheus on LumaReef need (24–28 °C).
Demasoni cichlid tank mates: what can it live with?
It gets along with 25 of the 99 freshwater species in the catalogue, such as Dwarf gourami, Betta (Siamese fighting fish), and Black skirt tetra.
Demasoni cichlid: alone or in a group?
Keep at least 12 together.
Demasoni cichlid and plants: is it plant safe?
No, it may eat or uproot plants.
Demasoni cichlid: is it endangered?
The IUCN Red List rates it Vulnerable. Threatened among the 5 assessed Pseudotropheus species on LumaReef: 1.

All Cichlidae speciesAll species A–Z

Sources

Demasoni cichlid: compiled from these references.