1. How much is tuna per catty The price of tuna per catty is about 200-600 yuan. This kind of fish is still difficult to cultivate artificially, so it is usually mainly caught. Because there are many kinds of fish, the prices of different varieties are different, and the difficulty of fishing is different, which leads to certain differences in prices.
2. What are the common tuna species1. Yellowfin tuna: Yellowfin tuna is a common species, mainly distributed in tropical and subtropical marine fish in Pacific Ocean, Indian Ocean and Atlantic Ocean, among which there are more near the equator. Its length is about 3 meters, and its body is spindle-shaped. It usually likes to swim in the upper layer of the open sea, feeding on fish and cephalopods.
2. Bigeyed tuna: Bigeyed tuna is about 2 meters long, with large pectoral fins and eyes. It is distributed in tropical and temperate waters. It belongs to oceanic migratory fish and prefers group swimming. It usually goes north in spring and summer and south in winter. It preys mainly on cephalopods and shrimps.
3. Bluefin tuna: Bluefin tuna is a large species of tuna, with a maximum length of 4.3 meters and a weight of more than 800 kilograms. This kind of fish belongs to pelagic fish, which has a wide range of adaptation to temperature.
4. Albacore tuna: Albacore tuna is torpedo-shaped, with smooth skin, two dorsal fins, one dark yellow and the other light yellow, and long pectoral fins.
5, Bonito: Bonito is also a kind of tuna, with a body length of only about 1 meter, a blue body, no scales on the surface, and a very developed caudal fin.
6, Masu tuna: Masu tuna, also known as southern bluefin, is about 1.6-2.4 meters long and mainly moves in temperate and cold oceans.
