Lobster cages (a kind of cage with dead fish as bait) are usually used for fishing. Lobsters can weigh about 2.5 kilograms (5.5 pounds) in deep water and are often caught by trawling. Extremely large individuals can weigh 20 kilograms (40 pounds). The dorsal part of the body is mostly dark green or brownish green, and the side of the abdominal American lobster (Homarus americanus) is yellow orange, red or blue; It turns red after being immersed in hot water.
Extended data
According to the composition of protein, the protein content of lobster is 18.9%, which is higher than that of most freshwater and seawater fishes and shrimps, and its amino acid composition is superior to that of meat, and it contains eight essential amino acids which are necessary for human body but cannot be synthesized or insufficient in vivo.
It not only contains isoleucine, tryptophan, lysine, phenylalanine, valine and threonine, but also contains arginine in vertebrates. In addition, lobster also contains histidine, which is also necessary for young children.
The fat content of lobster is only 0.2%, which is not only much lower than that of livestock and poultry, but also much lower than that of green shrimp and prawn. Moreover, its fat is mostly composed of unsaturated fatty acids necessary for human body, which is easy to be digested and absorbed by human body and has the function of preventing cholesterol from accumulating in the body.
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