Lobster (scientific name: Palinuridae) is the general name of 4 genera 19 species of lobsters of crustacea and DECAPODA in Arthropoda. Also known as prawns, leading shrimps, shrimps, sea shrimps, etc. Its head and chest are thick, its shell is hard, its color is colorful, its abdomen is short, its body length is generally between 20 cm and 40 cm, and its weight is about 0.5 kg. It is the largest kind of shrimp. 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.