科: Cyprinodontidae
American flagfish（Jordanella floridae）はCentral and North Americaに分布するCyprinodontidaeの淡水魚。成魚は約 4.9–7.2 cm、水温 18–22 °C。
Jordanella floridae, a member of the family Cyprinodontidae, is native to 中北美洲. An unkillable beginner classic that nonetheless shows its best in hard, alkaline, well-planted water. It swims in mid-water. Adults reach 4.9–7.2 cm. One male to two or three females spreads the attention. Keep water hard and alkaline, plant densely, and expect fry — forever. Maintain 18–22 °C at pH 6.5–7.5. A rewarding species for the aquarist who reads before buying.