Leeches live in paddy fields, ditches and shallow polluted pits and ponds, and like to eat human and animal blood. They are very agile. They can swim in the waves and migrate inchworms. Warm spring is active every year, and the spawning period is from June to 10. In winter, I often crouch in the wet mud on the shore, and I have strong viability.
Extended data
Distribution of leeches: Leeches are found in lakes, ponds and paddy fields in most parts of China. Mainly produced in Weishan, Dongping, Nanyang Lake and other lakes in Shandong Province, Weishan Lake has the largest output, which is not only supplied to this province, but also sold to Northeast China, Hebei, Shanxi and other places.
Some products produced in the suburbs of Suzhou and Wuxian in Jiangsu are also exported. In addition, Zhejiang, Anhui, Hunan, Hubei, Sichuan, Shaanxi, Hebei, Liaoning, Jilin, Heilongjiang and other places also have production and sales.
The value of leech: Leech has extremely high medicinal value, and has the effects of treating apoplexy, hypertension, dredging menstruation, amenorrhea and traumatic injury. It also has special effects on the prevention and treatment of cardiovascular and cerebrovascular diseases and cancer, and has high market economic value.
People's Network-Qianjiang, Hubei: Little leeches don't suck blood, but only "suck gold"
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