Taxonomic studies in Europe on shrimp and prawns were shaped by the common shrimp and the common prawn, both found in huge numbers along the European coastlines. The expression 'jumbo shrimp' can be viewed as an oxymoron, a problem that doesn't exist with the commercial designation 'jumbo prawns'. That creates problems with shrimp-like species that are not small. Part of the confusion originates with the association of smallness. ДЄ lot of confusion surrounds the scope of the term shrimp. Holthuis noted that the terms prawn and shrimp were used inconsistently 'even within a single region', generalising that larger species fished commercially were generally called shrimp in the United States, and prawns in other English-speaking countries, although not without exceptions. Although the term shrimp is sometimes applied to smaller species, while prawn is more often used for larger forms, there is no clear distinction between both terms and their usage is often confused or even reverse in different countries or regions.' Writing in 1980, L. ДЄccording to the crustacean taxonomist Tin-Yam Chan, 'The terms shrimp and prawn have no definite reference to any known taxonomic groups. There is no reason to avoid using the terms shrimp or prawn when convenient, but it is important not to confuse them with the names or relationships of actual taxa. They are not taxa, but are terms of convenience with little circumscriptional significance. They are vernacular or colloquial terms which lack the formal definition of scientific terms. The terms shrimp and prawn are common names, not scientific names. Over the years, the way shrimp and prawn are used has changed, and these days the terms are almost interchangeable. The terms shrimp and prawn themselves lack scientific standing. In North America, the term is used less frequently, typically for freshwater shrimp. Shrimp that are present in this category often belong to the suborder Dendrobranchiata. The term prawn is used particularly in the United Kingdom, Ireland, and Commonwealth nations, for large swimming crustaceans or shrimp, especially those with commercial significance in the fishing industry. Prawn is a common name for small aquatic crustaceans with an exoskeleton and ten legs (which is a member of the order decapoda), some of which can be eaten. Perhaps not the final word on the matter, but a starting point.

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