How do lobsters urinate?

Put your stomach up and insert a chopstick into your stomach from a small hole near the tail of the lobster's stomach, and urine will automatically flow out.

Lobster (scientific name: Palinuridae) is the general name of species under the family Lepidoptera Lobster. Also known as prawns, leading shrimps, shrimps, sea shrimps, etc. Its head and chest are thick, its shell is hard and colorful, its abdomen is short, its body length is generally between 20-40 cm and its weight is about 0.5 kg. Some of them have no claws, and the next day their abdomen and limbs can be transformed into claws. The heaviest can reach more than 5 kilograms, and it is called lobster tiger.

The body is thick and cylindrical, the back and abdomen are slightly flat, the head and breastplate are developed, thick and prickly, there are a pair of powerful supraocular spines in the center of the front edge, and there is a closed gill chamber. Mainly distributed in tropical waters, it is a precious seafood.

According to the composition of protein, the protein content of lobster is 18.9%, which is higher than that of most freshwater and seawater fish and shrimp, and the amino acid composition is better than that of meat. It contains eight essential amino acids which are necessary for human body but can not be synthesized or insufficient in vivo, including not only isoleucine, tryptophan, lysine, phenylalanine, valine and threonine, but also arginine which is rarely found in vertebrates. In addition, lobster also contains arginine, which is not suitable for children.

From the perspective of vitamin composition, lobster is also one of the important sources of fat-soluble vitamins. Lobster is rich in vitamins A, C and D, which greatly exceeds the content of terrestrial animals. ?

Extended data:

The fat content of lobster is only 0.2%, which is not only far lower than that of livestock and poultry, but also far lower than that of green shrimp and prawn. Moreover, its fat is mostly composed of unsaturated fatty acids necessary for human body, which is easily digested and absorbed by human body and has the function of preventing cholesterol from accumulating in the body.

Lobster, like other aquatic products, contains essential mineral components, among which calcium, sodium, potassium, magnesium and phosphorus are more abundant, and iron, sulfur and copper are more important. The total mineral content in lobster is about 65438 0.6%, among which the content of calcium, phosphorus, sodium and iron is higher than that of common livestock and poultry meat and prawns. Therefore, regular consumption of lobster meat can maintain the excitement of nerves and muscles.

References:

Baidu encyclopedia-lobster