集约化养殖水体水质恶化问题是困扰高密度养殖发展的原因之一,胡子鲶是具有珊瑚状辅助呼吸器官、体表吸氧特点的无鳞鱼。这种身体结构特点使胡子鲶对低溶氧、高氨氮等恶劣环境具有较强的适应能力。但这并不是说胡子鲶对水体环境没有选择。当水体环境的变化超过其耐受能力时就容 Intensive aquaculture water quality deterioration is plagued by the development of high-density breeding one of the reasons, bearded catfish is a coral-like auxiliary respiratory organs, oxygen-free surface scale body fish characteristics. This body structure characteristics of the catfish to low dissolved oxygen, high ammonia and other harsh environments with strong adaptability. However, this does not mean that the bearded Catfish has no choice of water environment. When the water environment changes more than its tolerance capacity