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How to judge the freshness of crayfish

1. Look at the appearance, the fresh crayfish shell color is red and bright, and the belly hair is clean, if it is a dead crayfish, its shell color will be relatively dull and look gray.

2, judge whether the crayfish is fresh, can observe the appearance, the size is uniform, the color is bright and the abdominal hair is clean is fresh.

3. The taste of the fresh crayfish is tight and chewy, the juice is full, the meat is fresh, and the shrimp is golden in color. The meat of the dead crayfish is more relaxed than wood, the shrimp shell is soft, the shrimp yellow color is gray, and there may be a peculiar smell.

How do lobsters divide male and female?

Male: lobster abdomen specializes in swimming feet to form a rod-shaped connector; female: there is a round seminal hole at the junction of head, chest and abdomen; in sexually mature lobsters, males are significantly larger than females.

Look at the abdomen male lobster: the abdomen is raised with a hard pair of calves; the female lobster: the abdomen is flat and the calves are transparent; the reproductive hole of the male shrimp is at the base of the fifth pair of chest feet; the reproductive hole opening of the female shrimp is at the base of the third pair of chest feet.

First of all, you can tell the difference between male and female by the size of the lobster. The individual of the male lobster is usually larger than the female lobster. Distinguish the male and female from the first and second abdominal feet of the lobster. The first ventral foot of a female lobster slowly disappears as it grows. The first and second ventral feet of a male lobster become a tube.

How to tell the freshness of lobster?

A common way to tell whether the lobster is fresh is that the head and tail of the fresh shrimp are intact, the head and tail are closely connected to the body, and the body of the shrimp is stiff, with a certain degree of elasticity and curvature. On the other hand, the head and body, shell and meat of the stale shrimp are loosely connected, and the head and tail are easy to fall off or separate, which can not maintain its original curvature.

Appearance check: fresh crayfish should have a bright color, usually bright red or orange red. The shell should be hard with no obvious damage or cracks. Avoid crayfish that have obvious black spots, spots, or fades on their shells.

Judge whether the crayfish is fresh, can observe the appearance, uniform size, red color and clean belly hair is fresh.