It is the pike family.

The red star pike crab is also known as three-point crab, three-eyed crab, pike crab, gun crab, sea worm, water crab, door crab, cover fish, children's crab, the red star pike crab cephalothorax is pike shaped, slightly elevated, the surface of the three prominent wart-like elevations. The chelicerae are well developed, with long segments that are prismatic and with blunt teeth on the inner edge. The fourth pair of step-foot knuckles are flat, broad and thin like paddles, suitable for swimming, the red star pike crab belongs to the warm-water bottom crab.

It is worth noting that the survival rate of pike crabs is greatly reduced when they are in the ocean and leave the high-salt, high-oxygen environment. The biggest difference with river crabs is that although the survival rate of sea crabs is lower, pike crabs that have died within a short period of time and have not emitted an odor are still available for human consumption, and their rich nutrition and tender taste are no less than that of fresh.

Expanded Information

Using Pike Crab Tips

1, the crab's gills, sandbags, and guts contain a lot of bacteria and toxins, which must be removed when eating;

2, when selecting crabs, you should pay attention to: they must be alive and flexible, and be able to turn over immediately after turning over the crabs with your hands, and the good ones are also capable of constantly spit and rattle;

3, crab meat flavor, nutritious, but the dead crabs are not eaten; because crabs like to eat animal carcasses and other putrefactive substances, so their stomach and intestines are often with disease-causing bacteria and poisonous substances, and once dead, these germs reproduce in large quantities.

Crab body also contains more histidine, histidine is easy to decompose, can be produced under the action of decarboxylase enzyme histamine and histamine-like substances, especially when the crab is dead, histidine decomposition is more rapid, with the longer the crab is dead, the more the body accumulates histamine, and when the histamine accumulated to a certain amount of time will cause poisoning.

Baidu Encyclopedia - Red Star Pike Crab