Overview
The American Flagfish (Jordanella floridae) is a beginner freshwater species known for its green-blue, red stripes (like us flag) coloration. Eats hair algae. Mid to Bottom.
Origin & Appearance
Origin: Florida.
Colors: Green-Blue, Red stripes (like US flag).
Body Shape: Fusiform (torpedo/streamlined). Typical adult dimensions: 6.0 x 1.1 x 1.8.
Sexual Dimorphism: Strong; males brightly colored, females dull.
Tank & Water Requirements
| Min Tank Size | 11 gallons |
| Temperature | 64–77°F |
| pH Range | 6–7.5 |
| Water Hardness (GH) | 3-12 |
| Bioload | low |
| Oxygen Demand | low |
| Plant Safe | yes |
| Aquarium Position | Mid to Bottom |
Behavior & Activity
Mid-to-bottom forager; actively grazes hair algae from surfaces; moderate steady swimming; territorial males
Speed: 35/100Aggression: 3/10diurnalSchooling (6+)
Breeding
Moderate; egg depositor
Common Diseases
💊 Ich
Expert Notes
Eats hair algae; cold-tolerant; flag-like pattern