Keywords Overwintering;Condition indicators;Hematological indices;Viscerosomatic index;Fatty acid composition;Biochemical component;Cortisol;Thyroxin;Leiocassis longirostris;

• 长吻（鱼危）;越冬;条件指数;血液学指标;脂肪酸组成成分;生化组成;皮质醇;甲状腺激素;