''Halocaridina'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

of atyid

shrimp 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 are refer ...

. It contains two species – ''

Halocaridina rubra ''Halocaridina rubra'', the Hawaiian red shrimp or volcano shrimp is a small red shrimp of the family Atyidae, with the common Hawaiian name (meaning "red shrimp"). Description and distribution It is a small red shrimp, rarely longer than in ...

'' and ''

Halocaridina palahemo ''Halocaridina'' is a genus of atyid shrimp. It contains two species – ''Halocaridina rubra'' and '' Halocaridina palahemo'' – both endemic to Hawaii Hawaii ( ; haw, Hawaii or ) is a state in the Western United States, located ...

'' – both

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...

Hawaii Hawaii ( ; haw, Hawaii or ) is a state in the Western United States, located in the Pacific Ocean about from the U.S. mainland. It is the only U.S. state outside North America, the only state that is an archipelago, and the only stat ...

. ''H. rubra'' is widely kept in aquaria.

References

Atyidae Crustaceans of Hawaii Endemic fauna of Hawaii {{Caridea-stub