司氏鱼央(Liobagrus styani Regan)隶属于鲇形目(Siluriformes)、钝头鮠科(Amblycipitidae)、鱼央属(Liobagrus)鱼类,广泛分布于长江中、下游水系[1]。司氏鱼央体长形,棕色[1],肌肉肉质细嫩,味道鲜美,深受消费者喜爱。有关司氏鱼央的研究报道较少,且主要集中在分类、形态和生物学等方面[1-2],其肌肉营养成分的研究 Liobagrus styani Regan, belonging to Siluriformes, Amblycipitidae and Liobagrus, is widely distributed in the middle and lower reaches of the Yangtze River [1]. Secretary fish central body long, brown [1], muscle meat tender, delicious, loved by consumers. There are few reports about the research of SI fish, and the main research focuses on the aspects of classification, morphology and biology [1-2]