1. The market price of cod ranges from 6 to a catty in 1 yuan, depending on the place of origin and the type of cod. The price of black cod in Alaska, USA is more expensive, and it needs a catty of 13 yuan. Cod can increase the concentration of serum immunoglobulin, enhance the respiratory tract clearance and phagocytosis defense functions, and thus enhance the disease resistance of the body and respiratory system.

2. The market price of sea rabbit fish ranges from 2 to one catty in 3 yuan. Sea rabbit fish, also known as rabbit fish, is a kind of fish, belonging to the order Gillophila. It is named after its body is slightly like a rabbit. Sea-rabbit fish is large in size, flat on its side, orange-red or yellow-brown, and its back is covered with hard scales. Sea-rabbit fish has a characteristic thick lip and a prominent bony spur. Sea-rabbit fish are mainly distributed in tropical and subtropical waters, including the Indian Ocean and the Pacific Ocean.