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Penaeus is a genus of prawns, including the giant tiger prawn (P. monodon), the most important species of farmed crustacean worldwide. The genus has been reorganised following a proposition of Pérez Farfante and Kensley based on morphological differences, in particular the genital characteristics of these animals. As a consequence, many of the species formerly in the genus Penaeus have been reassigned to new genera in the family Penaeidae: Farfantepenaeus, Fenneropenaeus, Litopenaeus and Marsupenaeus. The following table gives an overview:
| Old scientific name |
New scientific name |
Common name(s) |
| P. aztecus |
Farfantepenaeus aztecus |
northern brown shrimp |
| P. brasiliensis |
Farfantepenaeus brasiliensis |
redspotted shrimp, spotted pink shrimp |
| P. brevirostris |
Farfantepenaeus brevirostris |
crystal shrimp, pink shrimp |
| P. californiensis |
Farfantepenaeus californiensis |
yellowleg shrimp, brown shrimp |
| P. chinensis |
Fenneropenaeus chinensis |
fleshy prawn, Chinese white shrimp, oriental shrimp |
| P. duorarum |
Farfantepenaeus duorarum |
northern pink shrimp |
| P. esculentus |
Penaeus esculentus |
brown tiger prawn |
| P. indicus |
Fenneropenaeus indicus |
Indian prawn |
| P. japonicus |
Marsupenaeus japonicus |
Kuruma shrimp, Kuruma prawn, Japanese tiger shrimp |
| P. merguiensis |
Fenneropenaeus merguiensis |
banana shrimp, banana prawn |
| P. monodon |
Penaeus monodon |
giant tiger prawn, black tiger shrimp |
| P. notialis |
Farfantepenaeus notialis |
southern pink shrimp |
| P. occidentalis |
Litopenaeus occidentalis |
western white shrimp |
| P. paulensis |
Farfantepenaeus paulensis |
São Paulo shrimp, Carpas shrimp |
| P. penicillatus |
Fenneropenaeus penicillatus |
redtail prawn |
| P. schmitti |
Litopenaeus schmitti |
southern white shrimp |
| P. semisulcatus |
Penaeus semisulcatus |
green tiger prawn |
| P. setiferus |
Litopenaeus setiferus |
northern white shrimp |
| P. silasi |
Fenneropenaeus silasi |
|
| P. stylirostris |
Litopenaeus stylirostris |
western blue shrimp, blue shrimp |
| P. subtilis |
Farfantepenaeus subtilis |
southern brown shrimp |
| P. vannamei |
Litopenaeus vannamei |
whiteleg shrimp, Pacific white shrimp |
A few more species that are sometimes given as Penaeus spp. are actually assigned to the genus Melicertus:
| Invalid name |
Valid scientific name |
Common name(s) |
| P. canaliculatus |
Melicertus canaliculatus |
witch shrimp, tiger shrimp |
| P. kerathurus |
Melicertus kerathurus |
Caramote prawn, triple-grooved shrimp |
| P. latisculatus |
Melicertus latisculatus |
western king prawn |
| P. longistylus |
Melicertus longistylus |
redspot king prawn, red-spotted prawn |
| P. marginatus |
Melicertus marginatus |
Aloha prawn |
| P. plebejus |
Melicertus plebejus |
eastern king prawn |
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