According to Hetian Yu Agriculture, orchid crabs will be slightly more expensive than Portunus, because the annual output of orchid crabs will be less, so they will be relatively more expensive, with the price ranging from 200 yuan to 1000 yuan, while the price of Portunus is around 80 yuan. However, in recent years, due to the popularity of swimming crabs, the price has also risen, and now the prices of both are basically the same.

Orchid crab is a kind of swimming crab in the open sea, named after its patterned shell. The front part of the breastplate of the female head is dark green, and the rest parts of the male head are mostly blue-green with light blue or white mottling except for the dark blue at the claw feet.

There are three obvious warty protrusions on the surface of Portunus, one in the stomach and one in the heart. The abdomen of the male crab is triangular, while that of the female crab is round. The back of the male crab is dark green, the back of the female crab is blue-purple, and the abdomen is gray.