科: Cyprinodontidae
美国旗鱼为鳉科鱼类，和平、 hardy、不停生小鱼，原生分布于中北美洲。皮实多产，水草茂密时繁殖自成体系。成体约 4.9–7.2 cm，雌雄比例 1:2 或 1:3，减轻雌鱼压力，适宜水温 18–22 °C。会一直生小鱼，请有心理准备。
A Cyprinodontidae species native to Central America: Jordanella floridae lives middle of the water column over warm freshwater streams and lakes. Peaceful, hardy and constantly reproducing. Adults reach 4.9–7.2 cm. In a community tank it pairs well with Corydoras catfish.
适合有一定经验的玩家。Peaceful, hardy and constantly reproducing；One male to two or three females spreads the attention。
保持 18–22 °C 并避免波动，pH 6.5–7.5、GH 5–15 dGH 即可。
成体约 4.9–7.2 cm；最小缸体 62 L，并留出活动空间。
Omnivorous surface-picker; varied diet keeps colour bright。建议人工饲料搭配冷冻或活饵，保证多样性。
Peaceful, hardy and constantly reproducing。推荐混养：Corydoras catfish — Share the bottom peacefully。避免与Large predators — The fry buffet ends everything同缸。
原生于中北美洲，栖息于Warm freshwater streams and lakes。Still to gentle current，Moderate oxygen levels。
无明显跳缸倾向，常规缸盖即可。
人工环境下：Gives birth to free-swimming fry; dense plants raise survival。Subtle external differences。