What is the difference between a shrimp and a prawn?!

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Prawns are bigger and therefor, more expensive than shrimp. They taste virtually the same.

http://www.indiacurry.com/faqterms/dfaqp…

What is a prawn and a shrimp ?
According to Food and Agriculture Organization (FAO) of United Nations, shrimp is a seawater creature, while prawn's natural habitat is fresh water. This definition is not used by the grocery stores, fish markets, or the restaurants. Retailers commonly differentiate them by the size. A larger jumbo shrimp (Less than 25 shrimp to a pound) with head-on is normally referred to as prawn.

Scientifically, there is a difference between the two species. Both species are found caught in sea water as well as fresh water with varying sizes.

http://www.wisegeek.com/what-is-the-diff…

Excellent information about the difference between the two.

In most Latin countries USA style shrimp are called camarones - Prawn are langostinos (little lobsters) Prawns and shrimp are usually prepared differently.

It depends on where you live. In the UK they are all prawns, in N orth America they are shrimp, unless they are very large, in which case they are prawns. A rose by any other name.....

Marketing... In the USA, it's all really shrimp, but some places will call them prawns to stand out.