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青虾养殖技术讲座第一讲青虾的生物学征青虾，又名河虾，学名日本沼虾，属节肢动物门、甲壳纲、长臂虾科，是日本和我国特有的淡水虾类。在我国，青虾广泛分布于南北各地的江、河、湖泊中，也常出现在低盐度的河口或威淡水域。青虾适应性强，分布广，具有食性杂、养殖周期...
Freshwater shrimp farming seminar Lecture on the biology of shrimp shrimp, also known as shrimp, scientific name Japanese marsh shrimp, is an arthropod door, crustacea, long arm shrimp Division, Japan and China are endemic freshwater shrimp. In China, freshwater shrimp are widely distributed in rivers, lakes and rivers all over the north and south, and often occur in low-salinity estuaries or Wei-Wei waters. Strong adaptability of freshwater shrimp, widely distributed, with eating complex, breeding cycle ...