What are leeches afraid of, and what animals are leeches most afraid of?

Afraid of salt, birds, and flatworms, leeches can secrete anticoagulant substances in their mouths, which destroys the coagulation function of platelets in the blood, so the wounds bitten by leeches often bleed. In hospitals, doctors also often take advantage of this property and use leeches or other leeches to ** local congestion of patients.

Although leeches are not good guys, leeches can accurately predict the weather because they are sensitive to lack of oxygen in the water. Before the rain, the air pressure is low, the humidity is high, and the water is deoxygen-deficient, and the leeches have a very difficult time breathing, so they are restless in the water, rolling up and down, indicating that a storm is coming.

Fear of salt, birds, flatworms (a brown invertebrate that kills leeches, leeches, earthworms and other annelids), and dry environments and dry weather.

01 Grasshoppers are most afraid of ducks, and grasshoppers are the delicacy of ducks, and they are not seen in places frequented by ducks. In addition to ducks, grasshoppers are also afraid of lobsters, fish, yellow eels, rats, snakes, dragonfly larvae, frogs, water birds, cranes and other animals.

Friends in the countryside are no strangers to leeches, leeches live in rice fields, ditches, shallow water polluted pits and ponds, etc., love to suck the blood of humans and animals, move very quickly, can swim in waves, and can also do inchworm migration. It begins to be active every spring and warm, and its spawning period is from June to October, and it often lies dormant in the wet mud near the shore in winter, without food and without moving, and has strong survival ability.

Grasshoppers are most afraid of ducks, ducks are omnivores, but they especially like to eat small insects, and small animals are their favorites. Grasshoppers are the delicacy of ducks, and in places frequented by ducks, there are no more grasshoppers.

In addition to ducks, grasshoppers are also afraid of lobsters, fish, yellow eels, rats, snakes, dragonfly larvae, frogs, water birds, cranes and other animals. In addition, leeches are also afraid of salt, after being sprinkled with salt, salt and its body fluids form a high concentration of saline, high concentration of salt water will make it stress contraction, promote its internal body fluid extravasation, resulting in its dehydration and death.

Leeches belong to the annelid leech class.

Grasshopper, the common name of leech, belongs to the annelid leech class, there are 400 to 500 species in the world, about 100 species in China, and 89 species have been discovered.

The main characteristics of leeches are flat spindle-shaped, with many links; The back is black-brown or black-brown, slightly raised, and after immersion in water, black spots can be seen arranged in 5 longitudinal stripes; The ventral surface is flat, brownish-yellow. brownish-yellow on both sides, slightly pointed at the front end, blunt and rounded at the back end, with 1 suction cup at each end, the front suction cup is not significant, and the rear suction cup is larger; Brittle, easy to break, cross-sectional gelatinous; The smell is slightly fishy.

Grasshoppers mostly live in freshwater, a few in saltwater, and some are terrestrial and amphibious. There are species that live by sucking blood or body fluids, and there are also carnivorous species that prey on small animals. The common grasshopper in the rice fields is called the Japanese medicine leech, which feeds on the blood of humans, animals, and frogs.

There are some mountain locusts living in the mountains and forests of Hainan Island and Taiwan, often lurking in the grass and trees. After being processed, the grasshopper can be used as a valuable Chinese medicinal material. In recent years, due to the threat of chemical fertilizers and pesticides to their living environment, coupled with predatory fishing by humans, the wild resources of locusts have been decreasing.

In order to meet the market demand, the artificial breeding industry of grasshoppers is developing rapidly.

Grasshopper is a common name for the phylum Annelids and vermicules. Unlike other annelids such as earthworms or sand silkworms, most of these animals live in vitro parasitism temporarily. Adapted to this lifestyle, the locust has no bristles on its body, has suction cups at the front and back ends, and has a muscular body, and the body cavity is divided and filled by muscles and connective tissues and shrinks.

Leech, commonly known as leech, is a genus of hirudinea. Leeches often inhabit the humid mountain grasslands or bamboo forests in southern China, and are famous "vampires" in the mountains and forests. Also known as leeches.

Leechidae, leeches. The body is slightly oblong and about 3 cm long. Often inhabited in the mountains and forests, when humans and animals pass by, they attach to the tibia and femur, or burrow into the skin to suck the blood of humans and animals, and the stinging place is prone to sores and swellings, such as the Japanese leech (.