科: Adrianichthyidae
北部日本青鳉为青鳉科鱼类，性情平和，适合混养，原生分布于日本。性情平和、食性杂，是混养缸里最省心的居民之一。成体约 3–4.4 cm，建议小群饲养，适宜水温 18–25 °C。稳水、换水、杂食，足矣。
Oryzias sakaizumii is a Adrianichthyidae from Japan. Its calm temperament and broad diet make it one of the more forgiving residents of a community tank. It swims in mid-water. Adults reach 3–4.4 cm. Small groups recommended. Stable water, regular partial changes and a varied diet cover nearly everything it needs. Maintain 18–25 °C at pH 7–8. A solid choice for a well-planned community tank.