Reasons why eating cod is not recommended: cod is easy to be polluted, cod contains high fat, and cod will destroy the ecological balance.

1. Cod is easy to be polluted

Cod lives in the ocean, and the complexity of the marine environment and human pollution to the marine environment lead to poor living environment for cod. At the same time, human demand for cod makes the catch of cod higher and higher. All these factors lead to the easy pollution of cod, especially the accumulation of a large number of harmful substances such as mercury, lead and PCBs.

2. Cod contains high fat

Although cod is delicious, its fat content is high. Especially in the process of ingredients and cooking, adding a lot of ingredients such as oil and milk can easily lead to excessive fat and calorie intake in the diet.

3. Cod will destroy the ecological balance

Cod is a long-lived fish, with slow growth rate, weak fecundity and high difficulty in processing and manufacturing. When people catch a lot of cod to satisfy their appetite, the number of cod species will decrease, thus destroying the ecological balance.

Growth habit

Cod is a cold-water pelagic fish, which is a gregarious fish. Most of them live in the cold sea with the water temperature of ~16℃. The adult fish mainly inhabit the water layer of 175-225m, and the juvenile fish is 8-1m. Both adult and young fish have the habit of moving vertically day and night. Adult fish have the habit of swimming from deep water to shallow water spawning holes, and young fish have the habit of cluster distribution.

It feeds on invertebrates and small fish, such as krill, mysid shrimp, cucurbit fish, hairy scale fish, etc. It inhabits the cold water area of the Yellow Sea in summer and autumn, and migrates to the coastal mud bottom area with a water depth of 5~8m in winter. Generally 4-5 years old are sexually mature.