What's the difference between sea crabs and lake crab?

River crabs are different from sea crabs in that their back shells are round and sea crabs are spindle-shaped. The biggest difference between sea crabs and river crabs is that sea crabs can be used both dead and alive, while river crabs can only be eaten alive. The fresh and energetic crab shell has luster, strong clamping force, slippery legs, complete and solid legs and fast climbing. When you are quiet, you can hear its subtle spitting sound. Before eating, it is best to raise the crab with clear water for a period of time, let it spit out the dirty things in its stomach, then remove the crab's stomach and cook it.

One: In terms of body shape, most sea crabs are bigger than river crabs. The back-armored sea crabs are usually spindle-shaped with sharp sides, while river crabs are close to square.

Two: watch your feet. The river crabs on the market are all Yangcheng Lake hairy crabs. The first pair of pliers has fine fluff, while the first pair of pliers of sea crab is smooth. The last pair of pliers of river crab is pointed claw-shaped, and the last pair of pliers of sea crab is paddle-shaped, because it is usually used for swimming.

Three: Look at the color. River crabs usually have only one color, blue and gray. Sea crabs have many different colors, including blue and red flowers.

Crabs can be divided into river crabs and sea crabs. River and lake crabs are tender and delicious.

The fresh sea crab shell is bluish gray, the crab claws and legs are intact, the leg joints are elastic, and the shell tips at both ends of the crab are not damaged.

Crabs in rivers and lakes should still be alive and energetic after they die, so they can't eat them. The characteristics of fresh and energetic crabs are: the crab shell is green and shiny, the crab looks strong, the legs reach the frame, the legs are complete and full (hard but not empty), they climb fast, and they spit continuously.

Buy fresh crabs, and choose crabs to do "five looks": look at the color; Second, look at the individual; Third, look at the navel; Fourth, look at crab hair; Fifth, look at the action. The color of crab should be green back and white belly, golden claws and yellow hair; Individuals should be big, old and healthy; The navel should protrude outward; Crab feet should be hairy; Stay agile and active. Only those who meet these five conditions can buy it.