Both are deep-sea fish, what are the differences between squid and octopus?

As we all know, 70% of the earth is covered by the ocean, and there are a lot of animals and plants in the ocean, so people can get delicious food from the ocean, such as octopus and squid. However, why are octopuses and squids so different from each other, even though they both come from the deep sea?

Squid

Let's talk about squid first. Squid is a mollusk of the order Cynomolgus, with a sucker. It has a big head, 10 tentacles, a triangular tail, and a softer body than an octopus. Squid tastes very good and chewy, and is rich in calcium, phosphorus, and iron, which is very beneficial to bone development and hematopoiesis, and can prevent anemia. In addition to being rich in protein and amino acids required by the human body, squid is also a low-calorie food containing a large amount of taurine. It can relieve fatigue, restore vision, and improve liver function. The peptides and trace elements such as selenium it contains have antiviral and anti-radiation effects. Traditional Chinese medicine believes that squid has the function of nourishing yin and stomach, replenishing deficiency and moisturizing the skin. However, the cholesterol content of every 100 grams of squid is as high as 615 mg, which is 40 times the cholesterol content of fatty meat, 44 times that of whole milk, and 615 times that of soy products. Therefore, although squid is beautiful and dried squid is delicious, it is not suitable for everyone. Patients with cardiovascular diseases and liver diseases such as hyperlipidemia, hypercholesterolemia, arteriosclerosis, etc. must remember to pay attention and should eat it with caution. Squid is a cold food in nature, and people with weak spleen and stomach should eat less. Squid is also an irritant, so people with eczema, measles and other diseases should not eat it. There is a polypeptide component in squid. If the squid is not cooked thoroughly before eating, it will cause gastrointestinal dysfunction.

octopus

Let's talk about octopus! Octopus belongs to the order Octopoda of the order Cephalopoda, and has eight tentacles. It is commonly known as octopus. It has a suction cup and can spray ink. Its body is not too big, but its tentacles are very long. The tentacles of a large octopus alone weigh half a pound. Some octopuses have a well-developed brain and can distinguish themselves in the mirror. Octopus is a food with very high nutritional value. It is not only a delicious seafood dish, but also a good choice for folk diet therapy. Octopus balls are a very popular delicacy. Octopus contains rich nutrients such as protein and minerals, and is also rich in important health factors such as natural taurine, which can resist fatigue, anti-aging, and prolong human life. Octopus is suitable for a wide range of people. It can be eaten by most people, and is especially suitable for people with weak constitution, insufficient blood and malnutrition. If you have a relative or friend who has insufficient milk after giving birth, you can eat octopus to promote milk production. However, it is worth noting that there is sand in the mouth and eyes of octopus, so you must be careful to squeeze it out when eating. Octopus meat is relatively tender and cool, so it is best to add ginger slices when eating.