CATDOLL : CATDOLL: Is cod a marine fish or a freshwater fish?

1. Is cod a marine fish or a freshwater fish?

Cod is a marine fish.

Cod is a species of fish of the order Gaddiformes of the class Teleosteiformes. It mainly lives at the bottom of the ocean and in the middle and lower layers of the deep sea. It is a marine fish. The meat of cod is very delicious and contains a variety of nutrients such as protein, unsaturated fatty acids, vitamins, minerals, etc. After consumption, it can supplement a variety of nutrients for the human body, help maintain the normal physiological functions of human tissues and organs, and can promote blood circulation, remove blood stasis, stop bleeding, clear away heat and reduce inflammation.

Types of cod:

1. Atlantic cod

It lives in the northern Atlantic Ocean. It is a cold-water fish that can grow to nearly two meters in length and weigh one or two hundred kilograms.

2. Pacific Cod

It is generally smaller than Atlantic cod, but looks the same as Atlantic cod and tastes the same. Since the Pacific coastal countries do not have the same obsession with cod as Europe, it has been relatively unknown. China's Yellow Sea and Bohai Sea are also the origin of Pacific cod, but coastal residents rarely pay attention to it.

3. Greenland cod

It grows in the waters around the coast of Greenland. Due to its small production, it is rarely seen on the market.

Why can’t we eat cod heads?

Most cod live in the cold seas of the Pacific and the northern Atlantic Oceans with a water temperature of 0℃ to 16℃. They eat anything that moves and eat a lot, so they grow fast. They can grow to 1 meter in about 10 years. They are also very fertile. A female fish about 1 meter long can lay 3 million to 4 million eggs at a time. They live in groups and are easy to catch. They have been a famous edible fish since ancient times. They are poisonous, and highly poisonous. That is why the cod sold and processed have no heads.

This does not affect its deliciousness and nutrition. In particular, its rare and tender meat without fishy smell is an ideal choice for processing Japanese and Korean cuisine.

2. Is whey protein cod meal safe?

Safe. Cod meal is a fine food additive produced from the meat fat extracted from cod after various micro-processing. This item is very safe. Whey protein is the king of proteins. It is a protein extracted from milk and has great nutritional value.

3. Introduction of cod fillet

Cod is high in protein and low in fat, and is one of the most promising breeding species in the 21st century. Cod fillets made from pollock are known as the "weight loss expert" on the table. Pollock is a white-fleshed, low-fat fish and is the main raw material for making surimi. With the development of China's foreign trade, a large amount of pollock is imported. If it is processed into frozen cod fillets and resold to the international market, it can not only earn foreign exchange for the country, but also have good economic benefits.

4. Is cod poisonous? How big is cod?

Many of us are familiar with cod, and many people like to eat it, but some people are worried that cod is poisonous. So we need to know whether cod is poisonous or not. How big is cod?

Is cod poisonous?

The head of cod is poisonous, but due to the particularity of its growth environment, the head of cod contains highly toxic substances, which is why the cod sold and processed have no head. The cod we usually see is usually shipped from Russia. In order to reduce freight costs, the head of the cod is usually removed during transportation, so the cod we usually see is headless. However, this does not affect its deliciousness and nutrition. Especially its rare tender meat without fishy smell. Most cod live in the cold sea of ​​the Pacific Ocean and the northern Atlantic Ocean with a water temperature of 0℃ to 16℃. As long as it can move, it will eat everything and eat a lot, so it grows fast. It can grow to 1 meter in about 10 years; it also has strong fertility. A female fish with a body length of about 1 meter can produce 3 million to 4 million eggs at a time.

How big is cod?

Codfish are generally about 20 to 35 cm long. Codfish have a large head, a deep mouth, and a thin whisker hanging from the lower jaw. Codfish are delicious and nutritious. They can invigorate blood circulation and remove bad habits. The swim bladder can replenish blood and stop bleeding. Codfish bones can cure athlete's foot. Codfish pancreas contains a large amount of insulin, and 12,000 IU of insulin can be extracted from 1 kg of pancreas. Codfish liver can be used to extract cod liver oil (oil content 20% to 40%). Codfish have a lighter horizontal line running from head to tail. Their thick and plump body is covered with fine scales. The color of their skin varies greatly depending on their habitat. The French make a clear distinction between salted or dried codfish and fresh or frozen codfish. Codfish belongs to the phylum Vertebrata, subphylum Vertebrata, division Teleostei, order Gadiformes. Cod are mostly cold-water fish that live at the bottom of the ocean and in the middle and lower layers of the deep sea, and are widely distributed in the world's oceans.

Can I be allergic to cod?

Yes, cod allergy often occurs in people with a history of allergies. Cod allergy is a type of foreign protein allergy, which usually manifests as a sudden flat rash. Or for people with long-term nutritional deficiencies and weak bodies, eating cod interferes with the normal physiological function of the body's immune system, leading to allergic reactions. It will be accompanied by an obvious itching sensation, called urticaria. Urticaria can be treated with drugs such as loratadine or chlorpheniramine, and calcium gluconate can be used as an auxiliary. Calcium deficiency can easily induce allergies. Cod is a type of allergic food, and it is a common food that is prone to allergic reactions. Patients may experience skin itching, rashes, nausea, bloating, diarrhea and other symptoms. Severe cases may also be accompanied by symptoms such as fever and difficulty breathing, posing a certain threat to the body's health.

Does cod cause heatiness?

Cod is a cold food, and it is not easy for normal people to get angry. Cod is a deep-sea fish with a flat property and delicious meat. It contains a lot of protein, amino acids, cod liver oil and other mineral components, and is especially suitable for infants and children. Cod is rich in protein, vitamin A, vitamin D and other nutrients. The meat of cod is sweet and rich in magnesium, which has a good protective effect on the cardiovascular system. At the same time, cod has the effect of promoting blood circulation and removing blood stasis, which can promote blood circulation in the body and prevent excess fat and salt from staying in the body.

5. In which countries around the world are there cod fisheries?

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