1, big lobster: Boston lobster, for example, takes 10 to 12 minutes to cook 500g. For example, the cooking time of a 1kg Boston lobster is about 20 to 24 minutes.

2. Crayfish: Because it is small, the steaming time is relatively short. Generally speaking, boiling water for 10 minutes is enough to keep the shrimp fresh and tender.

3. Lobster is the general name of decapod lobster family, also known as leading shrimp, shrimp chief, sea shrimp and shrimp king. Crustaceans are hard and thick, often with thorns outside; The body is thick and cylindrical, and the back and abdomen are slightly flat; The head and breastplate are developed, thick and prickly, with a pair of powerful supraocular spines in the center of the leading edge, but no frontal angle; The abdomen is short and thick, the back is curled towards the abdomen, and the tail fan is wide and short, so it is named after the mythical dragon in life.