Look: the average shrimp has 38 legs.
Large and color white shrimp; small and color green, living in the river and lake. All have whiskers hook nose, dorsal arches are knobbly, tail with hard scales feet more good at jumping. Its son outside the abdomen. The flavor is very fresh, people like to eat.
Shrimp body long and flat, exoskeleton with limestone, divided into cephalothorax and abdomen two parts. The cephalothorax is covered by armor. Abdomen consists of seven body segments. Cephalothoracic armor at the front end of a long pointed serrated frontal sword and 1 pair of eyes can be rotated with the stalk of the compound eye. The shrimp breathes through gills, which are located on both sides of the cephalothorax and are covered by the carapace. The mouth of the shrimp is at the base of the cephalothorax. The cephalothorax has two pairs of antennae, which are responsible for smell, touch and balance, and a masticatory apparatus consisting of large and small jaws. The cephalothorax also has 3 pairs of jaws to help hold food, and 5 pairs of steppers, which are mainly used for hunting and crawling. The abdomen has 5 pairs of swimming limbs and a pair of stubby caudal limbs. The tail limbs and the last section of the abdomen merge into a tail fan, which controls the direction of the shrimp's swimming.
Crustacea (Crustacea) Decapoda (Decapoda) swimming suborder (Natantia) animals. Commonly known as horny claws (dialectal sound ge zhao). Nearly 2,000 species. Closely related to crabs, crayfish, freshwater crayfish, crayfish, cicada shrimp, and lobsters. Characterized by a translucent body, laterally compressed, with a bendable abdomen and a terminal tail fan. The second antenna is long and whip-like. The abdominal limbs are swimming limbs. Found in oceans and freshwater lakes and streams. Many species are important for food. Size ranges from several meters to a few millimeters, averaging 4 to 8 centimeters. The larger ones are called prawns. Swims rapidly backwards by means of a curved abdomen and tail. Eat tiny organisms, some eat carrion. Female shrimp can lay 1,500-14,000 eggs, attached to the swimming limbs. It undergoes five developmental stages before becoming an adult.