How many days can crabs frozen in liquid nitrogen be preserved?

Crabs frozen in liquid nitrogen can generally be stored for 3 days after being taken out, because crabs need to be kept fresh, so the storage time is not long. Crab is a crustacean, belonging to the mollusk class Decapoda. Its body is protected by a hard shell and it breathes through its gills. Taxonomically, it is the same kind of animal as shrimp, lobster and hermit crab.

Most kinds of crabs live in the ocean or offshore areas, and some live in fresh water or land. Common crabs are Portunus trituberculatus, Portunus trituberculatus, Eriocheir sinensis and Eriocheir sinensis (Eriocheir sinensis, Eriocheir sinensis and Eriocheir sinensis).

Other things about crabs are briefly introduced.

One of the important marine economic crabs in the southeast coast is mainly distributed in the coastal waters of Hainan, Guangxi, Guangdong, Fujian, Zhejiang and Taiwan Province provinces. In 20 17, the output of mariculture was nearly152,000 tons, and the output of marine fishing was nearly 79,500 tons. Scylla paramamosain has the characteristics of fast growth, strong body and delicious meat.