Description
American Flagfish (Killifish)
Latin name: Jordanella floridae
The American Flagfish is a hardy and eye-catching killifish named for the male’s bold red, white, and blue patterning, which resembles the American flag. Native to Florida, this species is well known for its algae-grazing habits and suitability for cooler, unheated aquariums.
Care Information
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Adult Size: 5–7 cm
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Temperature: 18–26°C
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pH: 6.5–8.0
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Tank Size: Minimum 75 litres
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Diet: Omnivorous — flakes, pellets, frozen foods, live foods, and algae
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Temperament: Semi-aggressive; best kept in pairs or small groups with robust tankmates
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Tank Setup: Heavily planted tank with open swimming areas, moderate flow, and good oxygenation
Why Choose the American Flagfish?
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Striking male coloration: One of the most colourful native North American fish.
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Excellent algae control: Actively grazes hair and filamentous algae.
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Hardy and adaptable: Suitable for cooler water and unheated setups.
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Unique species: A great alternative to more common tropical community fish.
A fantastic choice for aquarists looking for a colourful, practical, and characterful killifish with a bit of attitude.
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