''Xiphopenaeus'' is a genus of

crustacean Crustaceans (Crustacea, ) form a large, diverse arthropod taxon which includes such animals as decapods, seed shrimp, branchiopods, fish lice, krill, remipedes, isopods, barnacles, copepods, amphipods and mantis shrimp. The crustacean group ...

s in the suborder

Dendrobranchiata Dendrobranchiata is a suborder of Decapoda, decapods, commonly known as prawns. There are 540 extant species in seven families, and a fossil record extending back to the Devonian. They differ from related animals, such as Caridea and Stenopodidea ...

, the shrimps and prawns. Two species are in this genus: *''

Xiphopenaeus kroyeri ''Xiphopenaeus kroyeri'', commonly called the Atlantic seabob, is a commercially important prawn. It is up to long and is the most intensely fished prawn species in the Guianas and along much of the Gulf Coast of the United States. Description ...

'' *'' Xiphopenaeus riveti'' Likely, more species have not yet been described and named.Gusmão, J., et al. (2006)
Cryptic species and population structuring of the Atlantic and Pacific seabob shrimp species, ''Xiphopenaeus kroyeri'' and ''Xiphopenaeus riveti''.
''Marine Biology'' 149(3), 491-502. These were previously considered to be two names for the same species, but genetic analysis confirms they are two distinct species. ''X. kroyeri'' occurs in the

Atlantic Ocean The Atlantic Ocean is the second-largest of the world's five oceans, with an area of about . It covers approximately 20% of Earth's surface and about 29% of its water surface area. It is known to separate the " Old World" of Africa, Europe ...

, while ''X. riveti'' lives in the

Pacific The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...

. ''X. kroyeri'', the seabob shrimp, is a very important food species fished off the coast of

Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...

.Simões, S. M., et al. (2010)
Diel variation in abundance and size of the seabob shrimp ''Xiphopenaeus kroyeri'' (Crustacea, Penaeoidea) in the Ubatuba region, Southeastern Brazil.
''Anais da Academia Brasileira de Ciências'' 82(2), 369-78.

References

Penaeidae {{Dendrobranchiata-stub