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Concept
Whiteleg shrimp
Summary
Whiteleg shrimp (Litopenaeus vannamei, synonym Penaeus vannamei), also known as Pacific white shrimp or King prawn, is a species of prawn of the eastern Pacific Ocean commonly caught or farmed for food.
L. vannamei grows to a maximum length of , with a carapace length of . Adults live in the ocean, at depths to , while juveniles live in estuaries. The rostrum is moderately long, with 7–10 teeth on the dorsal side and two to four teeth on the ventral side.
Whiteleg shrimp are native to the eastern Pacific Ocean, from the Mexican state of Sonora to as far south as northern Peru. It is restricted to areas where the water temperatures remain above throughout the year.
During the 20th century, L. vannamei was an important species for Mexican inshore fishermen, as well as for trawlers further offshore.
In the late 20th century, the wild fishery was overtaken by the development of aquaculture production; this began in 1973 in Florida using prawns captured in Panama, that were used in hatcheries for larvae production.
In Latin America, the culture of L. vannamei started to develop with the availability of hatchery larvae, the development of feeds, the technification of the growth processes, the freezing installations and market channels, among others.
From Mexico to Peru most countries developed in the 70s and 80s large production areas.
Ecuador became one of the world leaders producers of this type of shrimp.
Around the beginning of the millennium, Asia introduced this species in their aquaculture operations (changing from Penaeus monodon).
China, Vietnam, India and others have become major packers as well.
The packing of shrimp from aquaculture origin has overpassed the quantity of ocean caught wild shrimp in recent years.
Both origins, ocean caught and aquaculture, are subject to weather changes and diseases.
By 2004, global production of L. vannamei approached 1,116,000 t, and exceeded that of Penaeus monodon.
L. vannamei have been cultivated indoors through a recirculating aquaculture systems at TransparentSea Farm, a startup in Downey, California.
Official source
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