<p>My teacher Todo explained, &ldquo;Bai Yu refers to Bai Li Yu (white carp).&rdquo; Li Shizhen explained, &ldquo;Bai Yu lives in fresh water, its head is large and white, the largest can be 6 -7 Chi long&rdquo;. Bai Yu cannot be served as food, is mild in taste, disinhibits water and disperses swelling.</p>
