鳜鱼是主要营夜间底栖伏击型的凶猛鱼类，其视觉和侧线器官在捕食过程中起主要作用。鳅鱼生活在清净田水或缓流水中，喜在水草繁茂的河、湘生活。冬季在深水及洞穴中较少活动，开春游到浅水区觅食，夏季援食活动最强，一年之中没有明显停食期，白天有卧穴习性，较多在夜晚摄食? Anchovy is a predatory night-time benthic amphibious ferocious fish whose visual and lateral organs play a major role in predation. Loach fish live in clear water or slow flow of water, hi the lush aquatic plants, Xiang life. Winter less active in deep water and caves, open the spring to shallow water for food, the strongest food aid activities in summer, a year without obvious stopping period, daytime habit of sitting, more feeding at night?