1　形态、习性、行动特点鳜鱼的行动与其摄食有一定的关系。鳜鱼一般栖息于水体的最底层 ,光线较暗时是鳜鱼捕食的好时机。鳜鱼是靠偷袭来捕捉食物 ,其捕食范围与体长有关 ,一般随体长的增大而增大 ,一般不超过0 5ｍ。平时鳜鱼隐蔽于隐蔽物之中等小鱼虾进入捕食范围。有时会缓 1 form, habits, action characteristics shad action and its feeding have a certain relationship. Anchovy generally inhabit the bottom of the body of water, dark light is a good time predator prey. Catfish is caught by the attack to capture food, its predation and body length, generally with the body length increases and increases, generally not more than 0 5m. Usually nautilus hidden in the hidden objects of small fish into the predation range. Sometimes slow