The freshwater prawns that have been used so far in aquaculture and aquaculture experiments all belong to the genus Macrobrachium.
This prawn spends its adult life in fresh or brackish waters. Larval development however requires brackish water of 8 to 22 ppt salinity.
Species of the freshwater prawn genus Macrobrachium are distributed throughout the tropical the tropical and subtropical zones of the world.
They are found in most inland freshwater areas including lakes, rivers, swamps, irrigation ditches, canals and ponds, as well as in estuarine.
Freshwater prawns farming are popular now. Breeders of Macrobrachium are developed and maintained in earthen ponds. The freshwater prawn is expected to attain sexual maturity in four of five months.
Large berried breeder prawns are collected and stocked in well-aerated concrete tanks and large un-berried females are separated in another tank.
Freshwater prawn
The term "fish" is used to classify a particular type of food, similar to the way meat, poultry, and cheese are categorized. The variety of fish species exceeds that of other food groups, with the United States alone incorporating at least 50 different types of fish and shellfish for human consumption.
Saturday, May 25, 2013
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