How much is a two-catty sea crab in the hotel?

And all kinds of sea crabs. There are two kinds of sea crabs on the market: copper crabs and swimming crabs. The latter is more expensive, 100, while the former is generally around 80 kg (the price of my hometown Lianyungang is slightly more expensive in the mainland, and the seafood restaurant is more expensive). Eating sea crabs generally eats females, with plenty of meat and crab roe. The identification method is (look at the navel, the tip is male, and the circle is female)