This thing has no one to raise, the cost is too high, 5 pounds of Gan fish can swallow 4 pounds of carp, and this thing will eat small, the people of Qiandao Lake every year to organize the catching team, is to control the number of it, of course, is not to say that this thing can not be raised, the result of raising large pond inside the last only a few tail is relatively large, and the other ones are killed.