Monodon shrimp are expensive.

1. Variety characteristics: Monodon shrimp and nine-section shrimp are different species, with their own unique characteristics and uses. Monodon shrimp are larger in size, bright in appearance, plump in texture and delicious in taste, so the price is relatively high. Nine-section shrimp has the characteristics of fast growth, strong adaptability, and large market demand, so its price is relatively low.

2. Seasonal and market factors: Price fluctuations in the seafood market are greatly affected by seasons and market supply and demand. When purchased during the sea ban period or during the Spring Festival, the price of monodon shrimp will exceed that of nine-section shrimp. Because the supply of seafood decreased during the sea ban, and people's demand for seafood increased during the Spring Festival, the market supply and demand imbalance resulted in a rise in prices.