Lobster (Palinuridae) is a kind of arthropod. There are various species of them. They mainly live in the tropical and temperate oceans. They are colorful. Their belly is short, the body length is generally between 20-40 cm, the weight is about 0.5 kg, is the largest kind of shrimp. Lobsters have teeth in their stomachs and feed at night. Their diet is very mixed, mainly feed on water plants, shellfish, large zooplankton, and a variety of fish, shrimp. Lobsters molt constantly throughout their lives in order to grow. In the first year of life, lobsters will molt 10 times, once a year, and maybe once every three years as they mature.