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Flag Cichlid, Mesonauta festivus
South American · Species profile

Flag Cichlid care

Peaceful, though more aggressive when breeding.

  • Up to about 4 inches, not counting the tailAdult size
  • 75 to 82 FTemperature

Food

An omnivore. Quality flakes or pellets plus frozen and live foods.

Feeding guide

Tank mates

Angelfish, geophagus, apistos, tetras, small catfish.

Compatibility guide

Best setup

A 4 foot tank, such as a 55 gallon. Soft to moderate water, sand, driftwood and leaf litter, with plants and gentle flow. Keep nitrate low with regular water changes.

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Care basics

The flag cichlid has a dark stripe running from the mouth to the tip of the dorsal fin. It is a calm, mid sized cichlid that often stays near plants in the upper water.

Keep it with angelfish, geophagus, apistos and peaceful tetras in a planted tank.

Quick facts

Scientific nameMesonauta festivus
GroupSouth America
Native toBolivia, Brazil, Paraguay and Peru
Adult sizeUp to about 4 inches, not counting the tail
Tank sizeA 4 foot tank, such as a 55 gallon
Temperature75 to 82 F
pH6.0 to 8.0
TemperamentPeaceful, though more aggressive when breeding.

Figures follow published species profiles such as Seriously Fish, and tank sizes are general guidance. Individual fish and local water vary, so test your water and ask your fish store about the specific fish you buy.

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Shop the Flag Cichlid setup

The tank, food, filter, heater and decor that suit Flag Cichlid, based on the care notes above.

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Gear We Recommend

Gear for Flag Cichlid

All gear
Best for: Rams, apistos and dwarfs

Micro pellets

Small enough for little mouths and sinks slowly so everyone eats.

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Best for: Every tropical tank

Adjustable aquarium heater

Pick one sized to your tank, or two smaller ones for safety.

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Best for: South American and pleco tanks

Aquarium driftwood

Natural cover and a grazing surface for plecos.

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Best for: Starter Malawi or Central American

55 gallon tank

The classic 4 foot tank for a small mbuna group.

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