That's 4 yuan, 5 yuan, 1 money equals 5 g. 234: the specifications are within 2,3 and 4 yuan. 456: The specification is 4,5, within 6 yuan. 789: specifications are 7, 8, 9 yuan. Crayfish are generally based on weight, and ten dollars is one or two. Four-five-six-seven is the specification of crayfish, that is, it is distinguished by weight. Six to seven dollars is more popular.

Lobster "456 money" refers to individual lobsters. The larger the number, the bigger the body.