1, can not eat. Pike crab frozen can save 1 month, if frozen for a year, the nutrients in the pike crab has been a lot of loss, and has been breeding a lot of bacteria, producing toxic substances, not only eat poor taste, the human body may cause discomfort after eating, so frozen for a year of pike crab can not continue to eat.

2, pike crab frozen can save 1 month, if frozen for a year, the nutrients in the pike crab has been a lot of loss, and has been breeding a lot of bacteria, produce toxic substances, not only eat poor taste, the human body will cause abdominal pain, diarrhea, vomiting and other symptoms of food poisoning after eating, so frozen for a year of pike crab can not continue to eat.

3, pike crab, some places commonly known as "white crab". Because the cephalothorax is pike-shaped, so the name pike. There are three protrusions in the center of the carapace, so also known as the "three warts pike crab", belonging to the arthropods. Male umbilicus pointed and smooth, chela grows, shell surface with green; female umbilicus round with downy, shell surface ochre, or spots. Pike crab meat is fat and tasty, has high nutritional value and economic value, and is suitable for seawater fattening temporarily. The cephalothorax is pike-shaped, almost twice as wide as long; the surface of the cephalothorax is covered with fine granules, with 2 granules transversely ronding and 3 warty protuberances; the frontal has 2 sharp teeth; the anterior lateral margin has 9 sharp teeth, and the final teeth are long and spiny, protruding outward. Chelicerae stout, length longer than width of cephalothorax; long segments prismatic, male long segments more slender, anterior margin with 4 sharp spines.