Shrimp are crustaceans (a form of shellfish) with elongated bodies and a primarily swimming mode of locomotion – most commonly Caridea and Dendrobranchiata of the decapod order, although some crustaceans outside of this order 查看更多內容

There are many variations in the ways different types of shrimp look and behave. Even within the core group of caridean shrimp, the small delicate Pederson's shrimp (above) looks and behaves quite unlike the large commercial pink shrimp or the snapping 查看更多內容

History
In 1991, archeologists suggested that ancient raised paved areas near the coast in Chiapas, Mexico, were platforms used for drying shrimp in the sun, and that adjacent clay hearths were used to dry the shrimp when … 查看更多內容

Only 57 exclusively fossil species are known in the shrimp fossil record. The earliest dates from the Lower Jurassic, followed by specimens from the Cretaceous 查看更多內容

Shrimp are swimming crustaceans with long narrow muscular abdomens and long antennae. Unlike crabs and lobsters, shrimp have well developed pleopods (swimmerets) and slender walking legs; they are more adapted for swimming than walking. … 查看更多內容

Decapods
There is little agreement among taxonomists concerning the phylogeny of crustaceans. Within the decapods "every study gives totally different results. Nor do even one of these studies match any of the rival … 查看更多內容

The terms shrimp and prawn are common names, not scientific names. They are vernacular or colloquial terms which lack the formal definition of scientific terms. They are not 查看更多內容